The first (IE) and second (IER) ionization enthalpy: ( KJ mol ^ -… - Vidyadip

Question

The first (IE) and second (IER) ionization enthalpy: $\left( KJ mol ^{-1}\right)$ of three elements $A , B$ and C are given below:

	A	B	C
$IE _1$	403	549	1142
$IE _2$	2640	1060	2080

Identify the element which is likely to be
i. a non-metal
ii. an alkali metal
iii. an alkaline earth metal

✓

Answer

i. C is non-metal
ii. A is alkali metal
iii.B is alkaline earth metal

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