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The Electronic Configurations of Three Elements X, Y and Z Are as Follows: X 2, 4 Y 2, 7 Z 2, 1 (A) Which Two Elements Will Combine to Form an Ionic Compound? (B) Which Two Elements Will React to Form a Covalent Compound? Give Reasons for Your Choice. - Science

The electronic configurations of three elements X, Y and Z are as follows:

X 2, 4
Y 2, 7
Z 2, 1

(a) Which two elements will combine to form an ionic compound?
(b) Which two elements will react to form a covalent compound?
Give reasons for your choice.

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(a) Elements Y and Z combine to form an ionic compound by transfer of one electron from Z to Y.
(b) Elements X and Y will react to form a covalent compound because atom X can react with 4 atoms of Y to share their one electron.

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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 3 Metals and Non-metals
Q 69 | Page 171
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