Free Printable quiz1(Grade 7)

1.

The nucleus has ………….. charge.

a)

neutral

b)

Positive

c)

Negative

d)

No charge

2.

Xenon

a)

Xe

b)

X

c)

Xn

d)

Xo

3.

Nickel

a)

Ni

b)

N

c)

Nl

d)

Nc

4.

Pb

a)

Gold

b)

Lead

c)

peanut butter

d)

Paribium

5.

Gold

a)

Go

b)

Gl

c)

AU

d)

Au

6.

Sn

a)

tin

b)

sulfur

c)

iron

d)

sodium

7.

Carbon

a)

CA

b)

C

c)

Ca

d)

Cn

8.

Sulfur

a)

Su

b)

S

c)

Sf

d)

Sr

9.

Si

a)

Selenium

b)

Silly

c)

Sitogen

d)

Silicon

10.

K

a)

Krypton

b)

Kallen

c)

Potassium

d)

Porten

11.

P

a)

Phosphorous

b)

Palladium

c)

Plutonium

d)

Proton

12.

The symbol for nitrogen is

a)

N

b)

Ni

c)

NI

d)

ni

13.

The symbol for lithium is

a)

L

b)

Li

c)

li

d)

Lt

14.

The symbol for boron is

a)

B

b)

Be

c)

Bo

d)

BO

15.

The symbol for beryllium is

a)

B

b)

b

c)

Be

d)

BE

16.

1. The measuring unit of length is....................

a)

Cm

b)

kg

c)

Cm³

d)

gm

17.

Litre, Millilitre and cubic Centimetre are units for measuring the volume of liquids.

a)

true

b)

false

18.

Kilogram is the unit of measuring volume.

a)

true

b)

false

19.

The amount of material that the object contains.

a)

Matter

b)

element

c)

mass

d)

volume

20.

the chemical symbol of mercury is .................

a)

Ag

b)

Hg

c)

Au

d)

S

21.

The electrons of potassium atom (19 K) equal ………, the

neutrons equal ………………, A equal ……………………

a)

19-19-39

b)

19-20-39

c)

39-20-19

d)

19-20-19

22.

The molecule is composed of very small particles called ...........................

a)

atoms

b)

elements

c)

compounds

d)

cells

23.

Pb is the symbol of ..........atom

a)

phosphorus

b)

potassium

c)

lead

d)

zinc

24.

the symbol of copper atom is......

a)

C

b)

Co

c)

Cu

d)

Ca

25.

the mass of atom is concentrated in the ..........

a)

protons

b)

electrons

c)

nucleus

d)

neutrons

26.

the atom nucleus contains ..........

a)

protons and electrons

b)

protons and neutrons

c)

electrons and neutrons

d)

protons and electrons and neutrons

27.

Electrons are particles with ...............charges, while protons are particles with ............. charges

a)

Positive , Negative

b)

Negative , Neutral

c)

Positive , Neutral

d)

Negative , Positive

28.

The ................ is the summation of the number of protons and neutrons

a)

Atomic number

b)

Atomic size

c)

Mass number

d)

Quantum Number

29.

the symbol of sodium is .......................

a)

Al

b)

Na

c)

K

d)

S

30.

The change of matter from a solid state into liquid state is .......

a)

melting

b)

melting point

c)

boiling

d)

boiling point

31.

The change of matter from a liquid state into gaseous state is .......

a)

melting

b)

melting point

c)

boiling

d)

boiling point

32.

The small part of the matter is ....

a)

matter

b)

molecule

c)

atom

33.

the space occupied by the object is ......

a)

mass

b)

density

c)

volume

d)

matter

quiz1(Grade 7)

Total questions: 33

Worksheet time: 18mins

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