Which of the following is true about ionic bonds?
Anonymous Quiz
14%
Ionic bonds are formed by the sharing of electrons between atoms.
76%
It formed when one atom donates an electron to another atom, resulting in the formation of ions.
1%
Ionic bonds are formed only between two nonmetals.
9%
Ionic bonds do not result in the formation of charged particles.
Which of the following compounds contains a polar covalent bond?
Anonymous Quiz
24%
NaCl
15%
H2
21%
CO2
40%
HCl
Which of the following statements is correct regarding the first ionization energy of atoms?
Anonymous Quiz
71%
Ionization energy increases as you move across a period.
17%
Ionization energy decreases as you move across a period.
6%
Ionization energy is unaffected by the number of protons in the nucleus.
6%
Ionization energy increases as you move down a group.
What is the molar mass of calcium phosphate, ?
Anonymous Quiz
33%
310.18 g/mol
34%
278.22 g/mol
24%
258.21 g/mol
9%
228.13 g/mol
Which of the following compounds exhibits hydrogen bonding?
Anonymous Quiz
47%
CH3CH2OH
17%
CH3CH2CH3
19%
H2
17%
CO2
Which of the following correctly describes the relationship between the equilibrium constant (K) and the concentration of reactants and products?
Anonymous Quiz
48%
is larger than 1 if products are favored at equilibrium.
13%
is extremely large if reactants are favored.
24%
is equal to the ratio of the concentrations of reactants to products.
16%
is temperature independent and always remains constant even if temperatures changes.
Which of the following is NOT a characteristic of a solution that is in dynamic equilibrium?
Anonymous Quiz
25%
The rate of the forward reaction equals the rate of the reverse reaction.
21%
The concentrations of the reactants and products remain constant.
45%
The reaction has stopped completely.
8%
Both forward and reverse reactions are occurring.
What is the principal difference between an aldehyde and a ketone?
A)
A)
Anonymous Quiz
38%
Aldehydes have carbonyl group bonded to H atom; ketones have a carbonyl group bonded to 2 C atoms.
38%
Aldehydes contain a hydroxyl group, while ketones contain a carboxyl group.
20%
Aldehydes are more reactive than ketones because they have a double bond to oxygen.
4%
Aldehydes are typically more stable than ketones.
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α₯α«ααα½α α¨αα³ααα α΅α ααα₯ α»ααα½ ααα₯ααΉ α΅αα³ααΉα’
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