Question

1. Why is a molecule of oxygen written as 02?
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Answer 1

Explanation:

The molecule is O2 because it takes 2 O atoms to make a molecule of oxygen. These types of elements are called diatomic elements, because the element exists in its pure form as a molecule composed of 2 atoms of the element. There are 7 diatomic elements: Hydrogen (H2)

Answer 2

Answer:

Bcoz oxygen consist of two atoms of O