Answer :
Oxygen is a nonmetal with atomic number of 8 and mass number of 16.
The element oxygen was discovered in 1772 and 1774 by Scheele and Priestly working independently. The properties of the element was first described by Lavioser.
Oxygen is a member of group 16. It has eight protons, eight electrons and eight neutrons. It is found in period 2 of the periodic table.
The physical properties of oxygen are as follows;
- It is a colorless, odorless gas
- It supports burning
- It is neutral to litmus
The chemical properties of oxygen are;
- It accepts two electrons to form the oxide ion
- It can bond covalently to other nonmetals
- It can participate in ionic bonding with metals
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