J.J. Thomson Mass number Quarks Atom Democritus Isotopes.

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Presentation transcript:

J.J. Thomson Mass number Quarks Atom Democritus Isotopes

Radioisotopes John Dalton Atomic mass unit Electron Ernest Rutherford

Atomic mass Proton Niels Bohr Neutron Cathode Ray Tube Erwin Schrodinger

Draw a Bohr model of an atom of sodium Draw a Bohr model of an atom of sodium. Be sure to show the correct number and location of subatomic particles.

Complete the Table 24 12 30 26 Atomic number Mass number Number of protons Number of neutrons Number of electrons Nuclear symbol 24 12 30 26

How many sig figs? 1.020 g 2,030 ml 0.00510 µm 39.800 g

Calculate and round to the correct number of sig figs 37.201 cm x 3.30 cm 2) 39.802 g + 0.024 g + 1.13 g

% Abundance of isotopes Be able to calculate… Atomic mass Mass of an isotope % Abundance of isotopes

How many protons are in an atom of Beryllium-9?

How many neutrons are in an atom of Lead-210?

Give two uses of radioisotopes.