MY LMS

Oxygen

Grade
Grade 2
Subject
Chemistry
Review
- (20 Reviws)

Oxygen is a chemical element with an atomic number of 8 (it has eight protons in its nucleus). Oxygen forms a molecule (O2) of two atoms which is a colorless gas at normal temperatures and pressures. Four representations chemists use for molecular oxygen.

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Bobby Aktar
April 03, 2019
There are many variations of passages of Lorem Ipsum available, but the majority have suffered alteration in some form, by injected humour, or randomised words which.
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