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The Atomic Numbers of Four Elements A, B, C and D Are 6, 8, 10 and 12 Respectively. the Two Elements Which Can React to Form Ionic Bonds (Or Ionic Compound) Are: (A) a and D (B) B and C (C) a and C (D) B and C - Science

The atomic numbers of four elements A, B, C and D are 6, 8, 10 and 12 respectively. The two elements which can react to form ionic bonds (or ionic compound) are:
(a) A and D
(b) B and C
(c) A and C
(d) B and C

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Solution

(d) B and D

Element B has the electronic configuration of 2,6. It requires 2 electrons to complete its octet. On the other hand, element D has the electronic configuration of 2,8,2. It requires to release 2 electrons to complete its octet. Thus, both atoms react to form ionic bonds by transfer of electrons.

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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 3 Metals and Non-metals
Q 48 | Page 169
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