test tnrw what i dont mnow

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5 Terms

1
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Cation

When an atom losses electrons and becomes positive.

2
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Anion

When an ion gains electrons and becomes negative

3
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What are the families on the periodic table?

Alkali metals

Alkaline earth metals

Halogens

Noble gases

4
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What is the third family on the pierodic table?

Halogens

5
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What is the particle theory?

All matter is made up of particles

Different matter is made up of different particles

Particles and always in motion

Particles have little spaces between them

Particles move fast and gain more energy as temperature rises