Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

1st 9 weeks quiz

Total questions: 40

Worksheet time: 25mins

Name
Class
Date
1.

The smallest particle of an element that cannot be broken down further without changing the properties of the element.

a)

cell

b)

atom

c)

charge

d)

isotope

2.

The cloud-like space that electrons travel around:

a)

nucleus

b)

shell

c)

neutrons

d)

Oort cloud

3.

Protons and neutrons are found in the center of the atom called the:

a)

nucleus

b)

neutron

c)

shell

d)

cell

4.

Electrons have a _____ charge.

a)

neutral

b)

negative

c)

positive

d)

both positive and negative

5.

The abbreviation for an element:

a)

element name

b)

atomic number

c)

chemical symbol

d)

atomic symbol

6.

What is the sum of an atom's protons and neutrons called?

a)

atom

b)

atomic theory

c)

atomic mass

d)

atomic number

7.

The rows or periods on the periodic table describe:

a)

the same number of outer electrons

b)

the same number of shells

c)

the same number of protons

d)

the same mass

8.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
9.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
10.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
11.

__________ are negatively charged particles that are in the orbitals around the nucleus.

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

12.
Which is an electron?
a)
A
b)
B
c)
C
13.

Identifies the number of protons in an atoms nucleus.

a)

Electron Cloud

b)

Atomic Theory

c)

Atomic Number

d)

Mass Number

14.

Elements in a .................. have similar chemical properties.

a)

period

b)

group

c)

row

15.

Which group of the periodic table is composed of inert (not reactive) gases?

answer choices

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

16.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
17.

I am a metal


I am in group 2


I am in period 6


I am…

a)

Mo

b)

Re

c)

S

d)

Ba

18.

I am a nonmetal


I am in period 2


I am in group 16/6A

a)

Ba

b)

Si

c)

Ba

d)

O

19.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
20.

Which element is found in group 2, period 6?

a)

Oxygen (O)

b)

Barium (Ba)

c)

Selenium (Se)

d)

Carbon (C)

21.

What period is this element located in?

a)

1

b)

2

c)

3

d)

4

22.

What element is in period 3 group 18, 8A?

a)

Aluminum

b)

Potassium

c)

Argon

d)

Neon

23.

Which element is located in group 13, 3A and period 4?

a)

Boron

b)

Silicon

c)

Beryllium

d)

Gallium

24.

How man atoms of carbon are there?

a)

1

b)

2

c)

3

d)

4

25.

How many atoms of Iron are in this compound?

a)

1

b)

2

c)

3

d)

4

26.

How many atoms of hydrogen are in

C6H12O6

a)

6

b)

12

c)

18

d)

2

27.

How many different elements are present in H2COCH2

a)

5

b)

4

c)

3

d)

2

28.

Calculate the number of Oxygen atoms in Al(OH)3

a)

1

b)

2

c)

3

d)

4

29.

How many elements are in this chemical formula? NaHCO3NaHCO_3  

a)

1

b)

2

c)

3

d)

4

30.

C3H5(NO3)3

a)

C = 3, H = 5, N = 3, O = 9

b)

C = 3, H = 5, N = 1, O = 9

c)

C = 9, H = 15, N = 3, O = 9

d)

C = 9, H = 15, N = 1, O = 3

31.

When writing a chemical equation, reactants are on the _____________ while products are on the _________________.

a)

top, bottom

b)

right, left

c)

left, right

d)

bottom, top

32.

The amount of atoms on each side of a chemical equation are

a)

different

b)

the same

33.

The products of a reaction have the same ________as the reactants.

a)

molecule

b)

atoms

c)

subscripts

d)

coefficients

34.
If reaction starts with 20g of reactants it should produce 
a)
a total of 40g of products
b)
a total of 10g of products
c)
a total of 80 g of products
d)
a total of 20g of products
35.

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

a)

A

b)

B

c)

C

d)

D

36.

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

a)

A

b)

B

c)

C

d)

D

37.

A student dissolved 25 grams of salt into 1,000 grams of water. What should the mass of the saltwater mixture be?

a)

975 grams

b)

1,000 grams

c)

1,025 grams

d)

2,500 grams

38.
In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g. How many grams does reactant B should have? 
a)
4g
b)
5g
c)
9g
d)
14g
39.

True or False

The mass of the reactants in a chemical equation must equal the mass of the products.

a)

True

b)

False

40.
For the equation:
2H2 +  O2 --> 2H2O
How much H2O will be produced if we react 4g of H2 and 32g of O2?
a)
4g
b)
32g
c)
36g
d)
28g

Similar Resources on Wayground

Plate Tectonics Overview

38 questions

Plate Tectonics Overview

quiz

Worksheet

•

7th - 9th Grade

Force and Motion review

38 questions

Force and Motion review

quiz

Worksheet

•

8th Grade

Chapter 10, 11 and 12 Review

45 questions

Chapter 10, 11 and 12 Review

quiz

Worksheet

•

6th - 8th Grade

Revision Quiz Part I

38 questions

Revision Quiz Part I

quiz

Worksheet

•

6th - 10th Grade

Science STAAR Challenge

35 questions

Science STAAR Challenge

quiz

Worksheet

•

8th Grade

3rd Quarterly Review

40 questions

3rd Quarterly Review

quiz

Worksheet

•

8th Grade

NSCAS-Heredity Review

45 questions

NSCAS-Heredity Review

quiz

Worksheet

•

8th Grade