Question 1

Which of the following best explains why sodium chloride (NaCl) forms an ionic bond?

Accepted Answer

Sodium loses an electron to become a cation and chlorine gains an electron to become an anion, resulting in electrostatic attraction.

Question 2

Which of the following species has the most ionic character in its bonds?

Accepted Answer

SrO

Question 3

Which of the following elements is least likely to form covalent bonds?

Accepted Answer

Ar

Question 4

Which of the following is NOT a physical property attributed to metallic bonding?

Accepted Answer

Brittleness

Question 5

Which of the following best describes the free-flowing electrons in metallic bonding?

Accepted Answer

Valence electrons that can move freely between metal ions.

Question 6

What is the difference in electronegativity ($$\Delta EN) $$between carbon and fluorine? (Use $$EN_{C} = 2.5$$, $$EN_{F} = 4.0)$$

Accepted Answer

$$1.5$$

Question 7

Arrange the following molecules in order of increasing dipole moment: H–I, H–F, H–Br, H–Cl.

Accepted Answer

H–I \u003c H–Br \u003c H–Cl \u003c H–F

Question 8

For the bonds listed below, which has the most polar bond?

Accepted Answer

C–F

Question 9

Which of the following correctly identifies the chemical bond between a carbon and oxygen atom?

Accepted Answer

Polar Covalent

Question 10

What is the correct name for the compound CaCl$$_2$$?

Accepted Answer

Calcium chloride

Question 11

What is the molecular formula for magnesium sulfate?

Accepted Answer

MgSO$$_4$$

Question 12

What is the correct name for the ionic hydrate PbO$$_2$$ · 5 H$$_2O$$?

Accepted Answer

Lead(IV) oxide pentahydrate

Question 13

What is the correct formula for tetraphosphorus pentaselenide?

Accepted Answer

P$$_4Se$_5$$

Question 14

Which of the following is the correct formula for hydroselenic acid?

Accepted Answer

H$$_2Se$$

Question 15

What is the correct formula for sulfuric acid?

Accepted Answer

H$$_2SO$_4$$

Question 16

Which of the following statements about chemical bonding is true?

Accepted Answer

O$$_2 is $$characterized by covalent bonding.

Question 17

Which of the following best describes the trend in electronegativity across a period in the periodic table?

Accepted Answer

Electronegativity increases from left to right.

Question 18

What is the correct name for the compound Al(BrO$$_3$$)$$_3$$?

Accepted Answer

Aluminum bromate

Question 19

Which of the following is the correct systematic name for the compound N$$_2S$_4$$?

Accepted Answer

Dinitrogen tetrasulfide

Question 20

Which of the following is the correct formula for hypobromous acid?

Accepted Answer

HBrO

Chemical Bonding and Nomenclature: Study Guide for General Chemistry

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