wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Physical Science Chapter 5B Test Review

Total questions: 23

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

At room temperature most covalent compounds are

a)

crystal

b)

liquids or gases

c)

liquids

d)

solid

2.

A covalent bond is called __________ if the atoms equally share one or more pairs of electrons.

a)

nonpolar

b)

double

c)

triple

d)

polar

3.

In a double bond, ________ electrons are shared

a)

2

b)

4

c)

6

d)

8

4.

A molecule in which polar covalent bonds do not cancel out will be

a)

metallic

b)

ionic

c)

nonpolar

d)

polar

5.

A neutral group of atoms joined by covalent bonds is a(n)

a)

crystal

b)

element

c)

molecule

d)

ion

6.

Molecular (covalent) compounds are good conductors of electricity when dissolved in water.

a)

True

b)

False

7.

Atoms in a nonpolar covalent bond carry slight electrical charges

a)

True

b)

False

8.

When two atoms share two pairs of electrons, a triple bond is formed.

a)

True

b)

False

9.

Water molecules are polar

a)

True

b)

False

10.

Electrons are shared equally in a nonpolar covalent bond.

a)

True

b)

False

11.

Why don't water and oil mix?

4 lines
12.

What are the four characteristics covalent compounds share?

4 lines
13.

An attraction between a positive metal ion and the electrons surrounding it is a

a)

covalent bond

b)

metallic bond

c)

nonpolar bond

d)

triple bond

14.

Which of the following is NOT a characteristic that results from metallic bonding?

a)

hard, brittle crystals

b)

electrical conductivity

c)

ability to change shape

d)

luster

15.

A mixture of elements that have the properties of a metal is a(n)

a)

alloy

b)

crystal

c)

ion

d)

heterogeneous mixture

16.

Which of the following is NOT true about metals and metallic bonding?

a)

atoms of most metals have one, two, or three valence electrons

b)

Atoms of metals lose electrons easily

c)

metal atoms usually gain valence electrons when they combine chemically

d)

In chemical reactions, metal atoms usually become positively charged ions

17.

The valence electrons of metal atoms that drift freely around the atoms in a sample of metal is a description of

a)

a nonpolar bond

b)

a polar bond

c)

luster

d)

the "sea of electrons"

18.

Ductility refers to the ability of a metal to be bent easily and pulled into thin strands of wire

a)

True

b)

False

19.

An alloy of gold is more useful for jewelry than pure gold

a)

True

b)

False

20.

Alloys are more likely to react with air or water than are the pure metals from which they are made

a)

True

b)

False

21.

Stainless steel is an alloy

a)

True

b)

False

22.

Metals are not good conductors of heat and electricity

a)

True

b)

False

23.

What are the four properties of metals?

4 lines