Crash Course Chemistry 1

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Three subatomic particles:

Proton

Neutron

Electron

Protons are positively charged. Hangs out in the Nucleus.

Neutrons are....neutral. Hangs out in the Nucleus.

Electrons have the same amount of charge as protons but are opposite. They hang out around the nucleus.

- Ag is silver because silver used to be called Argentum.

- Relative Atomic Mass: How heavy atoms are.

- Isotopes: Same chemical properties with different masses.

- Theory: A well-tested set of ideas that explains many disparate observations. (A guess)

- Einstein mathematically proved the existence of atoms

- Theory: A well-tested set of ideas that explains many disparate observations. (A guess)

- Einstein mathematically proved the existence of atoms

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