O-16

This summary is going to talk about the element Oxygen. Oxygen is a very important element to support life. Its elemental symbol is O. It is the eighth element on the periodic table of elements which means it has 8 protons. Its atomic mass is 16 which means it has 16 protons and neutrons combined. Oxygen is a non-metal. It is not easily able to create heat and electricity. It is very brittle. It cannot be rolled into wires or sheets because it is a non-metal. Non-metals can be either gasses or solids. Oxygen is one of the non-metals that is a solid. Oxygen will sink in water because its density is 1.429 per Cubic centimeters. Oxygen has 8 protons 8 neutrons and 8 electrons so it needs two energy levels or electron shells for the electrons. Oxygen will always have 8 protons but it can have a different amount of neutrons. If it has a different amount of neutrons it is called an isotope. Oxygen atoms sometimes have 15 neutrons.

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