Free Printable LS Chemistry Review

1.

Mass =

a)

protons + neutrons

b)

protons - neutrons

c)

protons + electrons

d)

neutrons - protons

2.

The number of protons is equal to the.....

a)

number of electrons

b)

number of neutrons

c)

mass

3.

Neutrons =

a)

mass - protons

b)

mass + protons

c)

protons - electrons

d)

electrons + protons

4.

Protons are found...

a)

inside the nucleus

b)

inside the neutrons

c)

outside the nucleus

5.

Neutrons are found...

a)

Inside the nucleus

b)

Inside the neutrons

c)

Outside the nucleus

6.

Electrons are found...

a)

Outside the nucleus

b)

Inside the nucleus

c)

Inside the neutrons

7.

Protons have a _________ charge.

a)

positive

b)

negative

c)

neutral

8.

Electrons have a ________ charge.

a)

Negative

b)

Positive

c)

Neutral

9.

Neutrons have a ________ charge.

a)

Neutral

b)

Negative

c)

Positive

10.

What is the smallest unit of matter that can exist?

a)

Atom

b)

Proton

c)

Neutron

d)

Electron

11.

What is the symbol for Carbon?

a)

C

b)

Co

c)

Ca

d)

Cn

12.

What is the symbol for Potassium?

a)

K

b)

P

c)

Po

d)

Ps

13.

What is the symbol for Oxygen?

a)

O

b)

Ox

c)

Og

d)

On

14.

What is the symbol for Hydrogen?

a)

H

b)

Hd

c)

Hg

d)

Hn

15.

What is the symbol for Cobolt?

a)

Co

b)

C

c)

Cl

d)

Ct

16.

What is the symbol for sodium?

a)

Na

b)

S

c)

So

d)

Sd

17.

What is the symbol for Iron?

a)

Fe

b)

F

c)

I

d)

Io

18.

What is the symbol for calcium?

a)

Ca

b)

C

c)

Cl

d)

Cc

19.

What is the symbol for Aluminum

a)

Al

b)

A

c)

Ai

d)

Au

20.

What is the symbol for Uranium?

a)

U

b)

Ur

c)

Pb

d)

Um

21.

What is the symbol for Nitrogen?

a)

N

b)

Ni

c)

No

d)

Ng

22.

What is the symbol for Chlorine?

a)

Cl

b)

C

c)

Ch

d)

Cn

23.

What is the symbol for Copper?

a)

Cu

b)

Fe

c)

Pb

d)

Hg

24.

What is the symbol for Helium?

a)

He

b)

H

c)

Hi

d)

Hl

25.

What is the symbol for Gold?

a)

Au

b)

Ag

c)

G

d)

Go

26.

What is the symbol for Phosphorus?

a)

P

b)

Ph

c)

K

d)

Ps

27.

What is the symbol for Silver?

a)

Ag

b)

Au

c)

S

d)

Si

28.

What is the symbol for Radon?

a)

Rn

b)

Rd

c)

R

d)

Ro

29.

What is the symbol for Nickel?

a)

Ni

b)

N

c)

Pb

d)

Ag

30.

What is the symbol for Lead?

a)

Pb

b)

Ag

c)

Au

d)

K

31.

What is the atomic number of this element?

a)

19

b)

39

c)

39.098

d)

10

32.

How many protons are in this element?

a)

79

b)

196.97

c)

197

d)

118

33.

How many electrons are in this element?

a)

7

b)

14

c)

14.007

d)

21

34.

How many neutrons are in this element?

a)

4

b)

3

c)

7

d)

10

35.

What is the mass of an atom with 10 protons and 11 neutrons?

a)

21

b)

10

c)

1

d)

-1

36.

An atom has a mass of 52 and and has 22 neutrons. How many protons does it have?

a)

30

b)

74

c)

32

37.

An atom has a 99 neutrons and a mass of 200. How many protons does it have?

a)

101

b)

299

c)

99

d)

200

38.

An atom has a mass of 16 and has 7 protons. How many electrons does it have?

a)

7

b)

9

c)

23

d)

11

39.

How many elements are present in: Fe₂SO₄?

a)

3

b)

7

c)

6

d)

2

40.

How many atoms are present in: Fe₂SO₄?

a)

7

b)

3

c)

2

d)

6

41.

In the formula 2Fe₂O₃ + 3C ---> 4Fe + 3CO₂

Is the red number a coefficient or a subscript?

a)

Coefficient

b)

Subscript

42.

In the formula 2Fe₂O₃ + 3C ---> 4Fe + 3CO₂

Is the red number a coefficient or a subscript?

a)

Coefficient

b)

Subscript

43.

How many atoms are In the formula Fe₂O₃ + 2C₃?

a)

11

b)

8

c)

3

d)

12

LS Chemistry Review

Total questions: 43

Worksheet time: 25mins

Similar Resources on Wayground