Question

elements X, Y, and Z have atomic numbers 6,9 and 12 respectively. which one :
(a) forms an anion (b) forms a cation (c) has four electrons in its valence shell?

Answer 1

x=6(carbon)
y=9(fluorine)
z=12(magnesium)
these r according to the periodic table
fluorine forms anion
magnesium forms cation
carbon has four valency
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Answer 2

Answer:

x=6(carbon)

y=9(fluorine)

z=12(magnesium)

these r according to the periodic table

fluorine forms anion

magnesium forms cation

carbon has four valency

Explanation: