What is chlorine? – Atoms – Chemistry
Diagram of a chlorine atom What is a chlorine atom? Chlorine is an atom that has 17 protons and usually either 18 or 20 neutrons in its nucleus and 17 electrons [...]
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06, 2017
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06, 2017
Calcium – Atoms and Chemistry
Chalk cliff (made of calcium atoms) in Cottonwood Canyon, Pueblo, Colorado What is calcium? When a star is on the way to converting all of its carbon and oxygen atoms into [...]
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06, 2017
Aluminum – Atoms and Chemistry
Diagram of aluminum atom Aluminum is one of the heavier atoms that forms inside a red giant star after a star begins to run out of fuel. An atom of [...]
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05, 2017
Natural Selection – Evolution and Biology
The feet of a person with six toes on each foot Whenever protons and electrons bump into each other, or atoms bump into each other, or molecules bump into each other, [...]
