mtomlinson140 mtomlinson140

03-02-2017
Chemistry

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how can you tell one elements from another?

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Justtae16 Justtae16

03-02-2017

The protons in the atom determine what the atom is. It also determines the atomic number. For example, hydrogen has one proton, so it the atomic number is one. Lithium has an atomic number of three because it has three protons.

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03-02-2017

should be the amount of protons

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