Question

An ion M3+ has 2 electrons in Kshell and 8 electrons in L shell,
a) Identify the element M.
b) Write its atomic number and valency.
c) Write the formula of the compound formed by M with
chlorine.
d) Which has stable electronic configuration M or M3+?
Justify​

Answer 1

Explanation:

al

13, +3

alcl3

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Answer 2

Explanation:

Answer. a) The element M is Aluminum (Al) because the distribution of electrons in its K, L, and M shell will be 2, 8, 3.