Q. 745.0( 1 Vote )

Four elements A, B, C and D have the following electron arrangements in their atoms: A 2, 8, 6
B 2, 8, 8
C 2, 8, 8, 1
D 2, 7
(a) What type of bond is formed when element C combines with element D?
(b) Which element is an inert gas?
(c) What will be the formula of the compound between A and C?

Answer :

(a) Ionic bond is formed when element C combines with element D

(b) The element B is an inert gas as it has complete octet configuration.

(c) The formula of the compound between A and C will be C2A. This is because A needs two electrons to complete its octet.

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