Question

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Answer 1

1) Carbon

Number of protons = 6

Number of electrons = 6

Number of valence electrons = 4

Number of electrons to fill outer shell = 4

2) Hydrogen

Number of protons = 1

Number of electrons = 1

Number of valence electrons = 1

Number of electrons to fill outer shell = 1

3) Chlorine

Number of protons = 17

Number of electrons = 17

Number of valence electrons = 7

Number of electrons to fill outer shell = 1

4) Helium

Number of protons = 2

Number of electrons = 2

Number of valence electrons = 2

Number of electrons to fill outer shell = 0

5) Phosphorus

Number of protons = 15

Number of electrons = 15

Number of valence electrons = 5

Number of electrons to fill outer shell = 3

6) Oxygen

Number of protons = 8

Number of electrons = 8

Number of valence electrons = 6

Number of electrons to fill outer shell = 2

7) Sulphur

Number of protons = 16

Number of electrons = 16

Number of valence electrons = 6

Number of electrons to fill outer shell = 2

8) Nitrogen

Number of protons = 7

Number of electrons = 7

Number of valence electrons = 5

Number of electrons to fill outer shell = 3

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