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Physical Science

Total questions: 49

Worksheet time: 52mins

Name
Class
Date
1.

A characteristic of matter that allows it to change to something new is a ________________.

a)

Physical property

b)

Physical change

c)

Chemical property

d)

Chemical change

2.

The state of matter of a material depends on its

a)

Density

b)

Temperature

c)

Volume

d)

Weight

3.

Which process can be used to find the volume of an irregular-shaped solid?

a)

Buoyancy

b)

Solubility

c)

Malleability

d)

Displacement

4.

Approximately how many elements are metals?

a)

Half of the periodic table

b)

One-third of the periodic table

c)

Three-fourths of the periodic table

d)

All of the periodic table

5.

Which of the following is NOT on an element key?

a)

Atomic number

b)

State of matter

c)

Symbol

d)

Density

6.

The elements in the second column of from the left edge of the periodic table are the

a)

Alkali metals

b)

Alkaline earth metals

c)

Transition metals

d)

Lanthanide and actinide series

7.

Main-block transition metals, such as iron, make good building materials for all of the following reasons EXCEPT

a)

High density

b)

Insulation

c)

Strength

d)

Resistance to corrosion

8.

Which of the following is NOT a property of all metals?

a)

Conduct electricity

b)

Shiny

c)

Does not conduct heat

d)

Malleable when solid

9.

All metals

a)

Melt at high temperatures

b)

Conduct heat and electricity

c)

Contain iron

d)

React with air and water

10.

Which statement about noble gases is correct?

a)

They form compounds with very bright colors

b)

They exist as single atoms rather than as molecules

c)

They are highly reactive with both metals and nonmetals

d)

They rarely form compounds in nature

11.

A halogen is an element that can react with a metal and form

a)

A salt

b)

A liquid

c)

Metal

d)

Sulfur

12.

Halogens are only found in nature as

a)

Liquids

b)

Salts

c)

Compounds

d)

Molecules

13.

The most abundant element in the universe is

a)

Helium

b)

Carbon

c)

Oxygen

d)

Hydrogen

14.

A metalloid acts as a conductor at

a)

High temperatures

b)

Low temperature

c)

Mid-temperature

d)

None of the above

15.

A metalloid acts as an insulator at

a)

High temperatures

b)

Low temperatures

c)

Mid-temperature

d)

None of the above

16.

All ______ except mercury are solids at room temperature.

a)

Metalloids

b)

Nonmetals

c)

Metals

d)

Mixtures

17.

In general, nonmetals are

a)

Good conductors of electricty

b)

Malleable and ductile

c)

Good conductors of heat

d)

Gases at room temperature

18.

In general, metals are

a)

Poor conductors of heat

b)

Brittle

c)

Poor conductors of electricty

d)

Good conductors of heat

19.

Which of the following is a compound?

a)

Gold

b)

Oxygen

c)

Neon

d)

Water

20.

Which type of bond is salt?

a)

Ionic

b)

Covalent

c)

Metallic

d)

Valence

21.

This formula shows the chemical reaction that occurs when the body breaks down sugar. How many carbon atoms are needed for this reaction to take place?

a)

1

b)

2

c)

6

d)

12

22.

Elements found on the far right of the periodic table in Group 18, are referred to as _______ and are chemically stable.

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Noble gases

23.

Aluminum oxide is a chemical formula with two aluminum atoms and three oxygen atoms. Which is the correct chemical formula?

a)

Al2O3

b)

(Al2)O3

c)

2AlO3

d)

Al3O2

24.

Dot diagrams are used to represent

a)

Protons

b)

Outer electrons

c)

Atomic mass

d)

The structure of the nucleus

25.

The maximum number of electrons in the second energy level of an atom is

a)

Two

b)

Four

c)

Eight

d)

Ten

26.

In the compound, H2O, the electrons in the bond are unequally shared between oxygen and hydrogen, forming

a)

Cations

b)

Ionic bonds

c)

Nonpolar molecules

d)

Polar bonds

27.

Which of the following bonds is polar?

a)

F-F

b)

O-H

c)

O-O

d)

H-H

28.

What is the group number for elements that have a stable number of electrons in their outer energy level?

a)

18

b)

17

c)

2

d)

1

29.

Which of the following compounds is NOT likely to have ionic bonds?

a)

LiF

b)

NaCl

c)

CH4

d)

MgF2

30.

How many dots are shown in the electron dot diagram for calcium, element number 20 (it is in the second column on the periodic table)?

a)

one

b)

two

c)

eight

d)

twenty

31.

Which of the following elements will likely form a negative ion in its ionic compounds?

a)

Li, lithium

b)

Al, aluminum

c)

Mg, magnesium

d)

Cl, chlorine

32.

Why do noble gases NOT form compounds readily?

a)

They have empty outer energy levels

b)

They have no electrons

c)

They have seven electrons in the outer energy levels

d)

Their outer energy levels have 8 valence electrons

33.

Which is a solution that contains the maximum amount of solute it can hold at a given temperature and pressure?

a)

Saturated

b)

Unsaturated

c)

Dilute

d)

Concentrated

34.

Acids react with ______ to form neutral solutions.

a)

Bases

b)

Hydronium ions

c)

Solutes

d)

Indicators

35.

As hydronium concentrations increase, the pH

a)

Increases

b)

Decreases

c)

Stays the same

d)

Increases initially and then decrease

36.

Which of the following can NOT be used to separate heterogenous mixtures?

a)

A strainer

b)

A magnet

c)

A scoop

d)

A microscope

37.

Which of the following mixtures is NOT an example of a substance?

a)

Drinking water

b)

Air

c)

Brass

d)

Pizza

38.

Stainless steel is an example of a _________ solution.

a)

Liquid-solid

b)

Solid-liquid

c)

Solid-solid

d)

Gas-solid

39.

The amount of table sugar that will dissolve in 1 kg of water can be increase by

a)

Stirring the solution

b)

Heating the solution

c)

Breaking sugar into smaller pieces

d)

Doing any of the above

40.

How does a solution with a pH of 2 compare to a solution with a pH of 1?

a)

The pH 2 solution is two times more acidic tan that with a pH of 1

b)

The pH 1 solution is ten times more acidic than that with a pH of 2

c)

The pH 1 solution is two times more basic than that with a pH of 2

d)

The pH 2 solution is ten times more acidic than that with a pH of 1

41.

Which of the following factors would NOT speed up a chemical reaction?

a)

Increasing the concentration of a reactant

b)

Adding a catalyst

c)

Raising the temperature

d)

Making the reactant particles larger

42.

Metallic chlorates, when heated, results in metallic chlorides and oxygen. This is a ________ reaction.

a)

Synthesis

b)

Decomposition

c)

Single-replacement

d)

Double-replacement

43.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
44.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
45.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
46.

What quantities vary between ions of an element?

a)

protons, electrons, and atomic mass

b)

protons and electrons

c)

electrons

d)

neutrons and atomic mass

47.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
48.

How many valence electrons do atoms generally want to have?

a)

16

b)

32

c)

6

d)

8

49.
a)
Periods
b)
Groups

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