Atomic Structure

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Mass Moles Number of Particles Assignment

Anika Bradleyにより

b

Hams Al Afifにより

Periodic Table

Szeru Tanにより

61112553

พลอยไพลิน คงดุกにより

Atomic Structure

Mass number

The number of protons + the number of neutrons

Atomic number

The number of protons or electrons in an atom

Isotopes

Atoms of the same element with different atomic mass

Due to differing numbers of neutrons

Ions

Are charged particles

Negative: - Anions

Gained electrons

Positive: - Cations

Lost electrons

Are formed when atoms gain or lose electrons

Atoms

Nucleus

Neutron

Mass: - 1 A.M.U.

Charge: - 0

Proton

Mass: - 1 A.M.U

Charge: - +1

Electron

Charge: - -1

Mass: - 1/1840 A.M.U