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g7 elements compounds and mixtures by khayrattee yasser

Total questions: 40

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

What element has the symbol K?

a)

Potassium

b)

Argon

c)

Copper

d)

Iron

2.

What element has the symbol Ca?

a)

Cadmium

b)

Carbon

c)

Mg

d)

Calcium

3.

What element has the symbol Ti?

a)

Helium

b)

Boron

c)

Aluminium

d)

Titanium

4.

What element has the symbol C?

a)

Cadmium

b)

Chromium

c)

Carbon

d)

Calcium

5.

What element has the symbol Be?

a)

Phosphorous

b)

Tin

c)

Boron

d)

Beryllium

6.

What element has the symbol Na?

a)

Nitrogen

b)

Helium

c)

Sodium

d)

Beryillium

7.

What symbol does Lithium?

a)

Li

b)

Na

c)

Si

d)

L

8.

What symbol does Magnesium have?

a)

Mg

b)

Na

c)

M

d)

Mo

9.

What symbol does hydrogen have?

a)

H

b)

He

c)

Hy

d)

Hi

10.

What symbol does Argon have?

a)

Ar

b)

A

c)

O

d)

N

11.

What symbol does Oxygen have?

a)

O2

b)

O

c)

No

d)

Ox

12.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
13.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
14.

What does this illustrate

a)

Elements

b)

Compunds

c)

Mixture of Elements and Compunds

d)

Mixture of Compounds

15.
Which of the following is an element?
a)
Sugar
b)
Salt
c)
Water
d)
Oxygen
16.

Zinc

a)

Z

b)

Zi

c)

ZN

d)

Zn

17.

Iron

a)

Ir

b)

In

c)

Fe

d)

FE

18.

Which compound is best represented by this particle diagram?

a)

NH3

b)

H2O

c)

CH4

d)

HCl

19.

Which of the following is made up of only one type of atom?

a)
Element
b)
Compund
c)
Mixture
20.

Which of the following is made up of two or more types of atoms chemically combined together?

a)
Elements
b)
Compounds
c)
Mixtures
21.

Air is a(n) _________. 

a)
element 
b)
mixture 
c)
compound 
22.

Diamonds (C) and uranium (U) are examples of

a)

elements

b)

mixtures

c)

compounds

23.

Diagram A is an example of a(n)

a)

element

b)

compound

c)

mixture

24.

Diagram B is an example of a(n)

a)

element

b)

compound

c)

mixture

25.

Which of these substances can be a compound?

a)

CO2

b)

C

c)

O2

d)

Red Bull

26.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
27.
Silver
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
28.

The only metal known to occur in liquid form is

a)

Mercury

b)

Aluminium

c)

Golg

d)

Bronze

29.

Nitrogen

a)

Metal

b)

Non-metal

30.

Sodium

a)

Metal

b)

Non-metal

31.

Iron

a)

Metal

b)

Non-metal

32.

Calcium

a)

Metal

b)

Non-metal

33.

Helium

a)

Metal

b)

Non-metal

34.

Steel generally speaking is made of

a)

iron and carbon

b)

copper and iron

c)

tin and carbon

d)

aluminum and nickel

35.

Brass is an alloy made of

a)

copper and zinc

b)

copper and tin

c)

copper and nickel

d)

copper and aluminum

36.

Bronze is an alloy made of

a)

aluminum and magnesium

b)

copper and tin

c)

lead and tin

d)

copper and nickel

37.

An alloy normally used in aircraft construction

a)

Hard Steel

b)

Pewter

c)

Magnalium

d)

Solder

38.

Coin metals are normally made of this alloy

a)

pewter

b)

duralumin

c)

cupro-nickel

d)

brass

39.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
40.

The horizontal rows on the periodic table are called:

a)

periods

b)

elements

c)

groups

d)

matter

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