Chemistry, asked by ssatender3968, 10 months ago

Write Lewis dot symbols for atoms of the given elements : Mg, Na, B, O, N, Br.

Answers

Answered by TwilightZ
10

Answer:

Steps for writing Lweis dot symbol :

write the electronic configuration of each element to find the number of valance electrons .e.g electrons present in outer most orbit.

Represent the valance electrons by dots around the symbol of the element.

1.₁₂Mg, configuration = 2,8, 2

hence valance electrons = 2

2. ₁₁Na, configuration = 2,8,1

hence valance electrons = 1

3. ₅B, configuration = 2, 3

Hence, valance electrons = 3

4. ₈O, configuration = 2,6

hence valance electrons = 6

5. ₃₅Br, configuration = 2, 8, 18, 7

hence valance electrons = 7

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