Free Printable Identifying Elements Assignment

1.

What is the symbol for cobalt?

a)

CA

b)

Ca

c)

CO

d)

Co

2.

What is the symbol for Nickel?

a)

NI

b)

Ni

c)

N

d)

Na

3.

What is the symbol for Helium?

a)

H

b)

HE

c)

He

d)

Hi

4.

What is the symbol for Iron?

a)

In

b)

I

c)

Fe

d)

Ir

5.

What is the symbol for Gold?

a)

Au

b)

Go

c)

Gd

d)

Ag

6.

What is the symbol for Potassium?

a)

P

b)

Pt

c)

Po

d)

K

7.

What is the symbol for Silver?

a)

Ag

b)

AG

c)

Si

d)

Sl

8.

What does the atomic number tell us about an element?

a)

The number of neutrons.

b)

The number of protons.

c)

The number of protons and electrons.

d)

The number of protons, neutrons, and electrons.

9.

What is the atomic number of Nitrogen?

a)

7

b)

14.007

c)

14

d)

21

10.

What is the atomic number of Oxygen?

a)

6

b)

12

c)

8

d)

16

11.

What is the atomic number of Fluorine?

a)

7

b)

9

c)

11

d)

19

12.

What is the atomic number of Carbon?

a)

6

b)

12

c)

8

d)

14

13.

What is the atomic number of Hydrogen?

a)

4

b)

1

c)

3

d)

2

14.

How many protons are found in Neon?

a)

7

b)

10

c)

11

d)

28

15.

How many protons are found in phosphorus?

a)

5

b)

9

c)

46

d)

15

16.

How many protons are found in Boron?

a)

5

b)

9

c)

46

d)

15

17.

How many protons are found in Vanadium?

a)

17

b)

21

c)

23

d)

29

18.

How many protons are in Zinc?

a)

30

b)

35

c)

47

d)

17

19.

How many protons are in manganese?

a)

12

b)

55

c)

24

d)

25

20.

How many protons are in Sulfur?

a)

16

b)

34

c)

18

d)

32

21.

Protons identify an element. If you observe 9 protons in the nucleus of an element, that element is identified as Fluorine. What happens if I add a proton to the nucleus of Fluorine?

a)

It changes to Oxygen.

b)

It changes to Neon.

c)

It is still fluorine.

22.

What happens if magnesium loses a proton?

a)

The element changes to sodium.

b)

The element changes to aluminum.

c)

Nothing changes, it is still magnesium.

23.

How is the atomic mass calculated?

a)

Adding the number of particles present in the nucleus (protons and electrons).

b)

Adding the number of particles present in the nucleus (protons only).

c)

Adding the number of particles present in the nucleus (neutrons only).

d)

Adding the number of particles present in the nucleus (protons and neutrons).

24.

What is the atomic mass of titanium? (rounded)

a)

81 amu

b)

204 amu

c)

22 amu

d)

48 amu

25.

What is the atomic mass of sulfur?

a)

16 amu

b)

32 amu

c)

14 amu

d)

28 amu

26.

What is the atomic mass of lithium?

a)

3 amu

b)

5 amu

c)

7 amu

d)

9 amu

27.

What is the atomic mass of bromine?

a)

80 amu

b)

35 amu

c)

11 amu

d)

5 amu

28.

What is the atomic mass of iridium?

a)

26 amu

b)

56 amu

c)

77 amu

d)

192 amu

Identifying Elements Assignment

Total questions: 28

Worksheet time: 14mins

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