An ion M3+ has 2 electrons in K shell and 8 electrons in L shell. 1+1+1+2
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
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Answer:
total number of s electron is 6.
Explanation:
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