Question 1

As a bond between a hydrogen atom and a sulfur atom is formed, electrons are

Accepted Answer

shared to form a covalent bond.

Answer

transferred to form a covalent bond.

Answer

shared to form an ionic bond.

Answer

transferred to form an ionic bond.

Question 2

Which formula represents an ionic compound?

Accepted Answer

$NH_4Cl$

Answer

$CH_3OH$

Answer

$CH_4$

Answer

$H_2$

Question 3

Which element is most chemically similar to chlorine?

Accepted Answer

Fluorine

Answer

Sulfur

Answer

Argon

Answer

Francium

Question 4

What is the total number of electrons in a $Mg^{2+}$ ion?

Accepted Answer

10

Answer

24

Answer

12

Answer

14

Question 5

Which of the following CANNOT be classified as a substance?

Accepted Answer

air

Answer

nitrogen

Answer

gold

Answer

table salt

Question 6

Which of the following is a homogeneous mixture?

Accepted Answer

salt water

Answer

beef stew

Answer

soil

Answer

sand and water

Question 7

How many valence electrons does a helium atom have?

Accepted Answer

2

Answer

5

Answer

4

Answer

3

Question 8

How many electrons does barium have to give up to achieve a noble-gas electron configuration?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 9

What is the formula unit of aluminum oxide?

Accepted Answer

$Al_2O_3$

Answer

$AlO$

Answer

$Al_3O$

Answer

$AlO_3$

Question 10

In which of the following are the symbol and name for the ion given correctly?

Accepted Answer

$OH^-$: hydroxide; $O^{2-}$: oxide

Answer

$PO_3^{3-}$: phosphate; $PO_4^{3-}$: phosphite

Answer

$NH_4$: Ammonia; $H^+$: hydride

Answer

$C_2H_3O_2^-$: acetate; $C_2O_4^-$: oxalite

Question 11

An $-ate$ or $-ite$ at the end of a compound usually indicates that the compound contains __.

Accepted Answer

a polyatomic anion

Answer

only two elements

Answer

neutral molecules

Answer

fewer electrons than protons

Question 12

Which of the following formulas represents an ionic compound?

Accepted Answer

$BaI_2$

Answer

$PCl_3$

Answer

$N_2O_4$

Answer

$CS_2$

Related quizzes

Related quizzes