Science, asked by aryankhushi7861, 11 months ago

There are three elements A B and C of having 2, 4 and 7 in third orbit . 1 Identify the types of element. 2 Write the portion in PT .3 Write the valency and valence electrons

Answers

Answered by sohamnath2005

1

Answer:

1.Be

Valency=2

Valence electron= 2

2.C

Valency=4

Valence electron =4

3.Cl

Valency =1

Valence electron =7

Explanation:

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