Question

# The oxide of nitrogen has molecular weight $$30$$. The total number of electrons in one molecule of the compound is :

A
15
B
12
C
11
D
7

Solution

## The correct option is A $$15$$If the molecular weight of oxide is 30 then the molecule is $$NO$$. Atomic number of nitrogen is 7 and that of oxygen is 8 so total number of electrons is 15.Chemistry

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