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0 votes
7.3k views
in Chemistry by (83.9k points)

Elements X, Y and Z have atomic number 6, 9 and 12 respectively. Which are :

(i) forms an anion

(ii) forms a cation ?

(iii) has four electrons in its valence shell ?

Element Atomic No. Electronic configuration
X 6 2,4
Y 9 2,7
Z 12 2,8,2

1 Answer

+1 vote
by (67.4k points)
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Best answer

(i) Y will form an anion

(ii) Z forms a cation

(iii) X has four electrons in its valence shell.

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