The electronic configuration of halogen is
Ans^2 np^7
Bns^2 np^5
Cns^2 np^1
Dns^2 np^3
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Related Questions:
Select the incorrect statements from among the following.
- (i) Newland arranged the elements in the order of increasing atomic masses and gave the law of Octaves.
- (ii) Sodium is the eighth element after lithium.
- iii) Calcium is the eighth element after Beryllium.
- (iv) The law of Octaves was applicable only up to Magnesium, as after Magnesium every eighth element did not possess properties similar to that of the first.
പീരിയോഡിക് ടേബിളിലെ (ആവർത്തനപ്പട്ടിക) ഗ്രൂപ്പുകളുടെ എണ്ണം ?
ആധുനിക പീരിയോഡിക് ടേബിളിൽ അലസവാതകങ്ങൾ ഏത് ഗ്രൂപ്പിലാണ് ഉൾപ്പെടുത്തിയിരിക്കുന്നത്?
Consider the statements below and identify the correct answer.
- Statement-I: Modern periodic table has 18 vertical columns known as groups.
- Statement-II: Modern periodic table has 7 horizontal rows known as periods.
The most electronegative element in the Periodic table is