An ionic bond forms when a metal atom transfers its extra electron to a nonmetal atom, resulting in a cation and an anion that attract each other due to their opposite charges. Therefore, the correct option is: c.ionic.
An ionic bond forms when a cation transfers its extra electron to an anion that needs it. This type of bond is based on the electrostatic forces between two oppositely charged ions. Here is the step-by-step process:
A metal atom loses one or more valence electrons, becoming a positively charged ion, or cation.A nonmetal atom gains the electrons lost by the metal, becoming a negatively charged ion, or anion.The opposite charges of the cation and anion attract each other, creating a stable ionic bond.For instance, in sodium chloride (NaCl), the sodium (Na) atom donates its single valence electron to the chlorine (Cl) atom. As a result, Na turns into Na⁺ (a cation), and Cl becomes Cl⁻ (an anion), forming an ionic bond.
What is the term for the relative order of metals arranged by their ability to undergo reaction?
Consider four atoms from the second period: lithium, beryllium, boron, carbon, and nitrogen. Which of these elements has the lowest electronegativity value?
lithium
beryllium
boron
carbon
nitrogen
Answer: Option (a) is the correct answer.
Explanation:
It is known that value of electronegativity increases when we move from left to right in a periodic table.
Since the given atoms lithium, beryllium, boron, carbon and nitrogen are all second period elements. And the value of their electronegativity are as follows.
Lithium : 0.98
Beryllium : 1.57
Boron : 2.04
Carbon : 2.55
Nitrogen : 3.04
Thus, we can conclude that lithium has the least electronegativity.
Can anyone please tell me the reaction between...
•Hydrogen peroxide and a raw liver
•Hydrogen peroxide and a cooked liver
•And hydrogen peroxide and a frozen liver
Like can you explain to me if it bubbles or fizzes.
Thanks so much!
What steps are important in the process of creating a scientific theory? (1 point)
hypothesizing, observing, and testing
creating a prototype and trouble-shooting
analyzing, offering an opinion, and evaluating
trouble-shooting, hypothesizing, and evaluating
The important steps in the process of creating a theory are the following: hypothesizing, observing, and testing. You first conduct observation to identify problem or situation that will lead to your theory. Next step is to formulate an intelligent guess called as the hypothesis. This hypothesis will be tested if it fit to be a theory.
Which of the following would create voltage in a coil of wire? a. Spinning a coil of wire in a magnetic field b. Spinning a magnet in coil of wire c. Sliding a magnet back and forth in a coil of wire d. All of the above
Spinning a coil of wire in a magnetic field, spinning a magnet in coil of wire, and sliding a magnet back and forth in a coil of wire all create voltage.
The correct answer is d. All of the above. Spinning a coil of wire in a magnetic field creates voltage because the changing magnetic field induces an electric current in the wire through electromagnetic induction. Similarly, spinning a magnet in a coil of wire also creates voltage for the same reason.
Lastly, sliding a magnet back and forth in a coil of wire generates voltage due to the relative motion between the magnet and the wire.
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What property is primarily responsible for determining the type of electromagnetic energy and peak wavelength emitted by a star such as the Sun? A.density B.temperature C.volume D.composition
Answer: B. Temperature
Explanation:
The temperature of the star such as Sun is measured. Using this measurement, its peak wavelength and energy can be determined.
For determination of wavelength, Wien's displacement law is used. This law states that, the sun like body emits all kinds of wavelengths and thus is nearly a black body.
For black body, the peak wavelength emitted is inversely proportional to the temperature of the body. From the wavelength, energy can be calculated.
Temperature is the property which is primarily responsible for determining the type of electromagnetic energy and peak wavelength emitted by star.
What volume of 0.200 m hcl is required for the complete neutralization of 2.00 g of nahco3 (sodium bicarbonate)?
A mothball, composed of naphthalene (c10h8), has a mass of 1.64 g . part a how many naphthalene molecules does it contain?
24.0 mL of a 0.120 M Ca(OH)2 solution is required to titrate 160 mL of an HCl solution to its equivalence point. Find the moles of HCl and its concentration in molarity.
Answer: The molarity of HCl is 0.036 M and moles of HCl is 5.76 moles.
Explanation:
To calculate the molarity of HCl used to titrate [tex]Ca(OH)_2[/tex], we use the equation:[tex]n_1M_1V_1=n_2M_2V_2[/tex]
where,
[tex]n_1,M_1\text{ and }V_1[/tex] is the n-factor, molarity and volume of calcium hydroxide.
[tex]n_2,M_2\text{ and }V_2[/tex] is the n-factor, molarity and volume of hydrochloric acid.
We are given:
[tex]n_1=2\\M_1=0.120M\\V_1=24mL\\n_2=1\\M_2=?M\\V_2=160mL[/tex]
Putting values in above equation, we get:
[tex]2\times 0.120\times 24=1\times M_2\times 160\\M_2=0.036M[/tex]
Now, to calculate the number of moles, we use the equation:[tex]\text{Molarity}=\frac{\text{Number of moles}}{\text{Volume}}[/tex]
Molarity of HCl = 0.036 mol/mL
Volume of HCl = 160 mL
Putting values in above equation, we get:
[tex]0.036=\frac{\text{Number of moles}}{160}\\\\\text{Number of moles of HCl}=5.76mol[/tex]
Hence, the molarity of HCl is 0.036 M and moles of HCl is 5.76 moles.
which functional group is found in an ester?
The functional group found in an ester is a carbonyl group with an attached second oxygen atom that is bonded to a carbonyl carbon substituent by a single bond, usually a pair of alkyl or aromatic groups. In addition, it can be shown in text as RCOOR or occasionally as ROCOR, which made them responsible in the distinctive and attractive odors and flavors of many flowers, perfumes, and ripe fruits.
I really don't get this question, could someone help
In a 1.0× 10–2 M solution of NH4ClO4(aq), identify the relative molar amounts of these species.
In a 1.0× 10–2 M solution of NH4ClO4(aq), the relative molar amounts of NH4+, ClO4-, and NH4ClO4 are 1:1:1.
Explanation:In a 1.0× 10–2 M solution of NH4ClO4(aq), the relative molar amounts of the species can be determined by looking at the balanced chemical equation for NH4ClO4 dissolving in water.
The balanced equation is NH4ClO4(aq) → NH4+(aq) + ClO4-(aq).
From the equation, we can see that for every 1 mole of NH4ClO4, 1 mole of NH4+ and 1 mole of ClO4- are produced.
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If carbon monoxide reaches a temperature of over 1,100 degrees Fahrenheit, it will ignite in a combustion reaction with oxygen. What would the product(s) of the reaction be?
Answer:
2CO2 or A
Explanation: i just got its right!
In a mechanical clock, the swinging of a pendulum causes the hands to move. The diagram shows the path of the pendulum as it swings. At which point in its swing does the pendulum have the least gravitational potential energy?
Answer:
Point C
Explanation:
In a hydrogenation reaction, a catalyst is used to transform an ________ to an ________.
Final answer:
In a hydrogenation reaction, a catalyst helps transform an alkene into an alkane by lowering the activation energy and facilitating the addition of hydrogen atoms to the double bond of the alkene.
Explanation:
In a hydrogenation reaction, a catalyst is used to transform an alkene to an alkane. Catalysts speed up chemical reactions by lowering the activation energy without being consumed in the process. Common catalysts used in hydrogenation include finely divided metals such as platinum, palladium, and nickel. The process involves the alkene being adsorbed on the surface of the catalyst, followed by the addition of hydrogen atoms to the carbons of the double bond, resulting in a saturated hydrocarbon or alkane.
A 29.0 kg iron weightlifting plate has a volume of 3680 cm3 . What is the density of the iron plate in g/cm3?
Answer:
Hence, the density of the iron plate is 7.880 g/cm³
Explanation:
The density of a substance is given by dividing the mass by the volume.
The S.I units of density are kg/m³, but can be measured by other units such as g/cm³
The mass of the iron is 29 kg or 29000 g
Therefore; Density = 29000 g/ 3680 cm³
= 7.880 g/cm³
Which two properties are explained by the pool-of-shared-electrons model for metals?
Answer:
Conductivity
Ductility
malleability
Explanation:
There are many properties of metals which can be explained by pool-of-shared electrons or electron sea model.
a) As electrons are considered to be free like in a sea so they are able to conduct electricity easily. Thus metals are conducting in nature.
b) The bonds are random in between metal atoms and can be broken easily and can be formed easily hence as per model the metal are highly ductile and malleable in nature.
Two balloons, one with a charge of 4.0 × 10-6 coulombs and the other with a charge of 8.2 × 10-6 coulombs, are kept 2.0 meters apart. What is the electric force between the two balloons? (k = 9.0 × 109newton·meter2/coulombs2) Show quoted text
Answer is C for plato users
7.3 × 10-2
Which of the following pairs of elements would most likely combine to form a salt?
O and F
I and F
Na and Al
K and I
K and I
Explanation:Salt is a neutral compound made up of a positive cation and a negative anion joint together via an ionic bond. Also, ionic bond is formed between metals and non metals. Furthermore, if the electronegativity difference between the metal and non metal is greater than 1.7 then it will go for ionic bonding. Let us calculate the electronegativity difference between the given pair of elements and predict the ionic bond between them.
1) F and O;
E.N of Fluorine = 4.00
E.N of Oxygen = 3.50
------------
Difference 0.50 (Not Ionic, No Salt Formation)
As both are non metals hence, the formation of ionic bond is not favored.
2) F and I;
E.N of Fluorine = 4.00
E.N of Iodine = 2.70
------------
Difference 1.30 (Not Ionic, No Salt Formation)
Again, both elements are non metals with less electronegativity difference, therefore no salt formation takes place.
3) Na and Al;
E.N of Aluminium = 1.60
E.N of Sodium = 0.90
------------
Difference 0.70 (Not Ionic, No Salt Formation)
Both are metals, hence ionic bond is not formed therefore, fails to form salt.
4) K and I;
E.N of Iodine = 2.70
E.N of Potassium = 0.80
------------
Difference 1.90 (Ionic, Salt Formation favored)
Potassium is a metal and Iodine is non metal also, electronegativity difference is greater than 1.7 hence, electron transfer takes place and results in the formation of ions and salt.
If the solubility of a gas in water is 4.0 g/l when the pressure of the gas above the water is 3.0 atm, what is the pressure of the gas above the water when the solubility of the gas is 1.0 g/l? 4.0 atm 1.3 atm 0.75 atm 12 atm
The pressure of the gas above the water when the solubility of the gas is 1.0 g/L is 0.75 atm
Henry's lawThis states that the solubility of a gas in liquids at constant temperature is proportional to its pressure. Mathematically, it can be expressed as
S₁ / P₁ = S₂ / P₂
Where
S₁ is the initial solubility P₁ is the initial pressure S₂ is the new solubility P₂ is the new pressure How to determine the new pressureFrom the question given above, the following data were obtained
Initial solubility (S₁) = 4 g/LInitial pressure (P₁) = 3 atmNew solubility (S₂) = 1 g/LNew pressure (P₂) = ?S₁ / P₁ = S₂ / P₂
4 / 3 = 1 / P₂
Cross multiply
4 × P₂ = 1 × 3
4 × P₂ = 3
Divide both side by 4
P₂ = 3 / 4
P₂ = 0.75 atm
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What is solubility? solubility is the minimum amount of a solvent that can be used to make a solution. solubility is the pressure necessary to create a solution. solubility is the temperature that can be used to mix a solution. solubility is the ability of one substance to dissolve in another?
Answer:
Option 4.
Explanation:
Solubility may be defined as the ability of a solute to dissolve in a solvent. The maximum ability of solute to dissolve in a solvent can be measured by its solubility.
For example: alcohol ( solute) can dissolve in a solvent( water). Alcohol has high solubility for water and can easily dissolve in water.
Hence, the correct answer is option 4.
When a substance has high solubility, it readily dissolves in a solvent, resulting in a concentrated solution. The correct statement is Solubility is the ability of one substance to dissolve in another.
Solubility refers to the maximum amount of a solute that can dissolve in a given amount of solvent at a specific temperature and pressure. It is a measure of how well a substance can dissolve in another substance to form a homogeneous mixture called a solution.
Solubility is typically expressed in terms of the amount of solute that can dissolve in a given amount of solvent, often measured in grams per liter (g/L) or moles per liter (mol/L). It is influenced by factors such as temperature, pressure, the nature of the solute and solvent, and the presence of other substances.
Therefore, the correct statement is: Solubility is the ability of one substance to dissolve in another.
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Rocks are solids composed of one or more minerals true or false
What is the concentration of alcohol, in terms of molarity, in blood if the bac is 0.08?
The molarity of the given solution is [tex]\boxed{{\text{0}}{\text{.0174 mol/L}}}[/tex].
Further explanation:
Blood alcohol concentration:
The term BAC is also known as blood alcohol concentration. Blood alcohol concentration is a measure of the concentration of alcohol in blood. The BAC is expressed in terms of grams of alcohol present in 100 mL of blood. For example, if BAC is 0.12 % that means 0.12 g of alcohol present in 100 mL of blood.
Molarity:
The molarity of the solution can be defined as the concentration of the solution and is equal to the number of moles of the solute dissolved in 1 liter of the solution.
The expression of molarity (M), volume (V), and number of moles (n) is as follows:
[tex]{\text{M}}=\dfrac{{{\text{n}}\left({{\text{mol}}} \right)}}{{{\text{V}}\left({\text{L}}\right)}}[/tex] ...... (1)
Here, V is a volume of solution in liters and n is a number of moles of solute.
The given BAC is 0.08 that means 0.08 g of alcohol is present in 100 mL of blood.
The molar mass of alcohol (ethanol) is 46.068 g/mol. Therefore, the number of moles of alcohol present in 0.08 g of alcohol is,
[tex]\begin{aligned}{\text{Mole}}&=\frac{{{\text{given mass}}\left( {\text{g}}\right)}}{{{\text{molar mass}}\left({{\text{mol/g}}}\right)}}\\&=\frac{{0.08{\text{ g}}}}{{46.068{\text{g/mol}}}}\\&=0.0017366{\text{ mol}}\\\end{aligned}[/tex]
The molarity of the alcohol solution in blood can be calculated by dividing the number of moles (0.0017366 mol) with the volume of solution (100 mL or 0.1 L).
[tex]\begin{aligned}{\text{M}}&=\frac{{{\text{n}}\left( {{\text{mol}}}\right)}}{{{\text{V}}\left( {\text{L}} \right)}}\\&=\frac{{0.0017366{\text{ mol}}}}{{0.1{\text{ L}}}}\\&= 0.017366{\text{ mol/L}}\\\end{aligned}[/tex]
Therefore the molarity of solution is [tex]{\mathbf{0}}{\mathbf{.0174 mol/L}}[/tex] .
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Answer details:
Grade: Senior School
Subject: Chemistry
Chapter: Solutions
Keywords: Concentration of alcohol, BAC, blood alcohol concentration, molarity, number of moles, 0.08 bac, 0.0174 mol/L.
We have that the concentration of alcohol, in terms of molarity is
M=0.017366mol/L
Molarity
Question Parameters:
in blood if the bac is 0.08
Generally the equation for the mol is mathematically given as
[tex]Mole=\frac{given mass}{molar mass}[/tex]
Therefore
[tex]Mole=\frac{0.08}{46.06}[/tex]
Mole=0.0017366mol
The molarity of the alcohol solution in blood
M=n/V
M=0.0017366mol/0.1
M=0.017366
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A 50.0 mL sample of 1.54×10−2 M NaSO4 is added to 50.0 mL of 1.28×10−2 Ca(NO3)2. What percentage of the Ca2+ remains unprecipitated?,
How do metals and nonmetals differ in terms of how they lose/gain electrons?
Metals are electron rich and they will lose electrons easily whereas, non-metal except noble gases are electron deficient and will gain electrons from metals through ionic bonding.
What are metals?Metals are electropositive elements and they exhibit a perfect crystal lattice structure with a sea of delocalized electrons. These free electrons are responsible for the conducting property of metals.
Metals easily lose electrons to the electron deficient non-metals and they acquire a positive charge in ionic bonding. Non-metals easily gain electrons from metals and acquire a positive charge.
Therefore, through the electrostatic force of attraction, the positively charged electrons and negatively charged non-metals will form ionic compounds. Therefore, metals and non-metals differ in chemical properties.
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what is the key difference between a liquid and a gas?
i can't decide between these two i have narrowed it down to:
a. motion of particles
b. average kinetic energy,
A key difference between a liquid and a gas is [tex]\boxed{{\text{a}}{\text{. motion of particles}}}[/tex] .
Further Explanation:
Matter can mainly exist in three physical states. These are solid, liquid and gas.
Solid
It is that state of matter that has a definite shape and volume. These have a regular arrangement of its constituent particles. These have the strongest intermolecular forces between their constituent particles and therefore the motion of particles in solid is almost negligible. Table salt, wood and diamond are some examples of solids.
Liquid
The state of matter with a definite volume but no particular shape is called liquid. The intermolecular forces in the liquids are weaker than that in solids and therefore the motion of particles in liquids is more as compared to that in solids. Milk, water and bromine are some examples of liquids.
Gas
This state of matter has neither a definite shape nor a definite volume. These have disordered arrangement of its constituent particles. These have the weakest intermolecular forces between their constituent particles and therefore the motion of particles in a gas is the highest among all states of matter. Nitrogen, hydrogen and carbon dioxide are some examples of gases.
As intermolecular forces in liquids is more than that in gases so motion among gas particles will be more than that among liquid particles. So both these states of matter have differences in motion of their respective particles. But average kinetic energy is measured on the basis of kinetic theory of gases that is applicable only for gases. So average kinetic energy cannot be defined for liquids and therefore it cannot be compared with that of gases.
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Answer details:
Grade: High School
Subject: Chemistry
Chapter: Matter in our surroundings
Keywords: liquid, gas, solid, states of matter, intermolecular forces, shape, volume, matter, strong, weakest, motion of particles.
An element is matter that is composed of one type of (atom/quark). 8. the unit of measurement used for atomic particles is the (atom size/atomic mass unit). 9. atoms of the same element that have different numbers of neutrons are called (isotopes/electron clouds). 10. in the periodic table, elements are arranged by increasing atomic (power/number).
Final answer:
An element is made up of identical atoms, which are measured in atomic mass units, with variants called isotopes. Elements are ordered in the Periodic Table by atomic number.
Explanation:
An element is matter that is composed of one type of atom. The unit of measurement used for atomic particles is the atomic mass unit (amu). Atoms of the same element that have different numbers of neutrons are called isotopes. In the periodic table, elements are arranged by increasing atomic number.
Atoms are the smallest unit of an element and are made up of protons, neutron, and electrons. The protons and neutrons are found in the atom's nucleus, giving the majority of an atom's mass. Atoms are referred to with unique chemical symbols on the Periodic Table of Elements.
What happens at the particle level in a chemical reaction?
PLEASE, COULD SOMEONE ANSWER THIS???
I AM REALLY STRESSED OUT!
The chemical formula for artificial sweetener is C7H5NO3S. How many carbon atoms will be found in 5 molecules of the artificial sweetener.
What do all group 2 elements have in common?
They all gain two electrons to form a stable outer energy level.
They form covalent bonds with halogens.
They all react easily with the noble gases.
They tend to form ionic bonds by losing electrons.
Answer:
C is your answer
Explanation:
which of these natural resources is nonrenewable?
A: Hydroelectric
B: Corn
C: Geothermal
D: Coal