A) slightly higher than chlorine
B) much higher than chlorine
C) lesser than chlorine
D) equal to chlorine
Correct Answer: A
Solution :
Key Idea: lonisation energy is amount of energy required to take out most loosely bounded electron from isolated gaseous atom. Its value increases in a period and decreases in a group. The ionisation of chlorine is slightly higher than hydrogen.You need to login to perform this action.
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