Unit 1 notes Part 1 Periodic table basic. Identify the parts on the periodic table YOU must know how to identify what the number mean on the periodic.

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Presentation transcript:

Unit 1 notes Part 1 Periodic table basic

Identify the parts on the periodic table YOU must know how to identify what the number mean on the periodic table

Properties of subatomic particles YOU must be able to fill in this diagram Subatomic Particle MassCharge Protons1 amu+ Neutron1 amu0 Electron0-

Other important facts (Know these) All ATOMS are neutral in charge. ▫Hence protons = electrons Only protons and neutrons have mass ▫Thurs protons + neutrons = mass number For now, round the atomic mass (bottom number) to nearest whole number ▫Hence boron round to 11.

Determining Protons, Electrons, and Neutrons of using a periodic table YOU must be able to fill in a diagram like this using a periodic table Name of Element Element Symbol Mass Number Atomic NumberProtonsNeutronsElectrons BoronB Sodium Na Gallium3137