Question

Element Atomic Number Atomic Mass Number of Neutrons Number of Electrons Group Number Period Number Nitrogen...

Element

Atomic Number

Atomic Mass

Number of Neutrons

Number of Electrons

Group Number

Period Number

Nitrogen

7

14.01

7

7

15

2

Hydrogen

1

1.008

1

1

Phosphorus

Sodium

Oxygen

Carbon

Calcium

Chlorine

Neon

Lithium

Magnesium

Helium

Silicon
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Answer #1

Element

Atomic Number

Atomic Mass

Number of Neutrons

Number of Electrons

Group Number

Period Number

Nitrogen

7

14.01

7

7

15

2

Hydrogen

1

1.008

0

1

1

1

Phosphorus

15

30.97

16

15

15

3

Sodium

11

22.9897

12

11

1

3

Oxygen

8

15.9994

8

8

16

2

Carbon

6

12.01

6

6

14

2

Calcium

20

40.078

20

20

2

4

Chlorine

17

35.453

18

17

17

3

Neon

10

2.01797

10

10

18

2

Lithium

3

6.941

4

3

1

2

Magnesium

12

24.3050

12

12

2

3

Helium

2

4.0026

2

2

18

1

Silicon

14

28.0855

14

14

14

3

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