4. Electronic configurations of some elements are given below.
X: 2,8,4
Y: 2,8,1
Z: 2,1
P: 2
Q:1
R: 2,8,2
Which of these will form ionic compound with more electronegative element A
whose electronic configuration is A : 2,8,7
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silicon sodium lithium helium hydrogen magnesium
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magnesium R , hydrogen Q , sodium Y
Lithium Z
Lithium Z
salusuju:
no , I can't
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