Question

name the following element A. two shell both of which are completely filled B.three shell with 2 valence electron C. metal with valency 3 group number 13 and period 3​

Answer 1

Answer: A) Neon

B)Silicon

C)Aluminum

Explanation: A)

Neon has two shells, both of which are completely filled with electrons (2 electrons in K shell and 8 electrons in L shell)

B)Silicon has a total of three shells, with four electrons in its valence shell (2 electrons in K shell, 8 electrons in L shell and 4 electrons in M shell).

Answer 2

Answer:

a. neon

b.magnesium

c. aluminum

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