Question

In: Chemistry

Identify the element based on energy rings and valence elections

Identify the element based on energy rings and valence elections

Energy Rings

Valence Electrons

Atomic Number

Element

2

7



3

4



1

2



4

1


H

3

3


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3

7

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Solutions

Expert Solution

(a) Fluorine(F) with atomic no. 9 has 2 energy rings and 7 valence electrons.

(b) Silicon(Si) with atomic no. 14 has 3 energy rings and 4 valence electrons.

(c) Helium(He) with atomic no. 2 has 1 energy ring and 2 valence electrons.

(d) Potassium (K) with atomic no. 19 has 4 energy rings and 1 valence electron.

(e) Aluminium (Al) with atomic no. 13 has 3 energy rings and 3 valence electrons.

(f) Chlorine (Cl) with atomic no. 17 has 3 energy rings and 7 valence electrons....


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