Free Printable 1st 20 elements

1.

What is the chemical symbol for helium?

a)

He

b)

H

c)

Hl

d)

AIR

2.

"B" is the chemical symbol for what element?

a)

Boron

b)

Beryllium

c)

Bostonium

d)

Basalt

3.

What is the chemical symbol for carbon?

a)

Cb

b)

Co

c)

Cr

d)

C

4.

"N" is the chemical symbol for what element?

a)

Sodium

b)

Nitrogen

c)

Neon

d)

Notthisone

5.

What is the chemical symbol for oxygen?

a)

Ox

b)

Oy

c)

O

d)

Og

6.

"F" is the chemical symbol for what element?

a)

Fluorine

b)

Fluoride

c)

Phosporus

d)

Fuggetabout it

7.

What is the chemical symbol for neon?

a)

N

b)

No

c)

Nn

d)

Ne

8.

"Na" is the chemical symbol for what element?

a)

Nabidium

b)

Neon

c)

Sodium

d)

Banana

9.

What is the chemical symbol for magnesium?

a)

Mg

b)

Ma

c)

Mn

d)

Ms

10.

"Al" is the chemical symbol for which element?

a)

Alabama

b)

Aluminum

c)

Gold

d)

Silver

11.

What is the chemical symbol for silicon?

a)

Si

b)

S

c)

Sc

d)

Sn

12.

"P" is the chemical symbol for which element?

a)

Phosphorus

b)

Plastic

c)

Plutonium

d)

Lead

13.

"Cl" is the chemical symbol for which element?

a)

Chlorine

b)

Carbon

c)

Calcium

d)

Californium

14.

What is the chemical symbol for sulfur?

a)

Pu

b)

S

c)

Su

d)

Sf

15.

What is the chemical symbol for argon?

a)

A

b)

Ag

c)

Ar

16.

What is the chemical symbol for calcium?

a)

D

b)

Cl

c)

Ci

d)

Ca

17.

"K" is the chemical symbol for what element?

a)

Kryptonite

b)

Krypton

c)

Potassium

d)

Phosphorus

18.

19th element

(a)

19.

The symbol for Calcium is:

a)

C

b)

Ca

c)

Cl

d)

Cm

20.

Atomic number of Silicon

a)

17

b)

15

c)

14

d)

13

21.

Atomic number of Kalium is

a)

19

b)

20

c)

6

d)

238

22.

The electronic configuration of Lithium is (2,1). What is its valency?

a)

2

b)

1

c)

0

d)

8

23.

The electronic configuration of Aluminium is (2,8,3). What is its valency?

a)

2

b)

8

c)

3

d)

5

e)

1

24.

The electronic configuration of NITROGEN (2,5). What is its valency?

a)

1

b)

2

c)

3

d)

4

25.

The electronic configuration of FLUORINE (2,7). What is its valency?

a)

1

b)

2

c)

3

d)

4

e)

7

26.

The electronic configuration of SODIUM (2,8,1). What is its valency?

a)

0

b)

1

c)

2

d)

8

e)

4

27.

The electronic configuration of HELIUM (2). What is its valency?

a)

0

b)

1

c)

2

d)

3

e)

4

28.

The electronic configuration of SILICON (2,8,4). What is its valency?

a)

2

b)

8

c)

4

d)

1

e)

0

29.

The electronic configuration of SULPHUR (2,8,6). What is its valency?

a)

6

b)

8

c)

2

d)

1

e)

0

30.

The electronic configuration of POTASSIUM (2,8,1). What is its valency?

a)

1

b)

0

c)

2

d)

3

e)

8

31.

FIND THE ELECTRONIC CONFIGURATION OF Cl (At no = 17)

a)

2,8,7

b)

2,8,8

c)

2,8,6

d)

2,8

32.

The electronic configuration of Carbon is C (6)

a)

2,5

b)

2,6

c)

2,4

d)

2,7

33.

What is the electronic configuration of Nitrogen ₇N

a)

2,2

b)

2,3

c)

2,4

d)

2,5

34.

How many electrons does Si contain? (click to see image)

a)

14

b)

28

c)

2

d)

4

35.

Helium (He) is the

a)

2nd element

b)

6th element

c)

13th element

d)

17th element

36.

Which one ISN'T a real element from the first 20?

a)

Sodium

b)

Magnesium

c)

Argon

d)

Iron

37.

Name the 19th element which regulates fluid balance, muscle contractions and nerve signals. You can get it from bananas!

a)

Potassium

b)

Calcium

c)

Flouride

d)

Helium

38.

Ar is the symbol of________.

a)

argentium

b)

argon

c)

gold

d)

arsenic

39.

What is the chemical symbol for Natrium is?

a)

Na

b)

S

c)

So

d)

N

40.

Which picture represents Aluminium?

a)

b)

c)

d)

1st 20 elements

Total questions: 40

Worksheet time: 21mins

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