Question 1

Which of the following best describes the type of bond formed between sodium (Na) and chlorine (Cl) in table salt (NaCl)?

Accepted Answer

An ionic bond formed by transfer of electrons

Question 2

What is the correct formula for the compound formed between aluminum ions ($\mathrm{Al^{3+}}$) and oxide ions ($\mathrm{O^{2-}}$)?

Accepted Answer

$\mathrm{Al_2O_3}$

Question 3

Which of the following elements does NOT exist as a diatomic molecule under standard conditions?

Accepted Answer

Carbon

Question 4

A patient is given a medication containing potassium nitride. What is the correct chemical formula for potassium nitride?

Accepted Answer

$\mathrm{K_3N}$

Question 5

Which of the following compounds contains a polar covalent bond?

Accepted Answer

$\mathrm{HCl}$

Question 6

Which of the following is the correct name for the compound $\mathrm{N_2O_3}$?

Accepted Answer

Dinitrogen trioxide

Question 7

A sample of iron(III) sulfate is analyzed in a laboratory. What is its correct chemical formula?

Accepted Answer

$\mathrm{Fe_2(SO_4)_3}$

Question 8

Which of the following molecules is linear in shape?

Accepted Answer

$\mathrm{CO_2}$

Question 9

Which of the following best explains why $\mathrm{NH_3}$ (ammonia) is a polar molecule?

Accepted Answer

It has a trigonal pyramidal shape and a net dipole moment

Question 10

Which of the following compounds is expected to have hydrogen bonding as its strongest intermolecular force?

Accepted Answer

$\mathrm{NH_3}$

Question 11

A compound is formed from $\mathrm{Na^+}$ and $\mathrm{PO_4^{3-}}$ ions. What is its correct formula?

Accepted Answer

$\mathrm{Na_3PO_4}$

Question 12

Which of the following best describes the strongest attractive forces between molecules of $\mathrm{Cl_2}$?

Accepted Answer

Dispersion (London) forces

Question 13

Which of the following is the correct formula for the oxide ion?

Accepted Answer

$\mathrm{O^{2-}}$

Question 14

Which of the following compounds contains an ion with a 3+ charge?

Accepted Answer

$\mathrm{FeCl_3}$

Question 15

Which of the following elements is more electronegative than bromine?

Accepted Answer

Chlorine

Question 16

Which of the following is the correct name for the compound $\mathrm{NCl_3}$?

Accepted Answer

Nitrogen trichloride

Question 17

Which of the following best describes the bond between hydrogen and oxygen in a water molecule?

Accepted Answer

Polar covalent

Question 18

Which of the following compounds is expected to have an ionic bond?

Accepted Answer

$\mathrm{CaO}$

Question 19

Which of the following molecules is NOT polar?

Accepted Answer

$\mathrm{CO_2}$

Question 20

Which of the following is the correct formula for aluminum nitrate?

Accepted Answer

$\mathrm{Al(NO_3)_3}$

Chap 6

Study Guide - Practice Questions