Bohr Models A drawing of an atom that shows the protons and neutrons in the nucleus and the electrons in the correct orbitals.

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Presentation transcript:

Bohr Models A drawing of an atom that shows the protons and neutrons in the nucleus and the electrons in the correct orbitals.

Proton Review Mass = 1 AMU Number of Protons = Atomic Number Charge = +1 Location = In the nucleus

Neutron Review Mass = 1AMU Number of Neutrons = Atomic Mass – Atomic number Charge = 0 Location = In the nucleus

Electron Review Mass = 1/2000 AMU Number of Electrons = Atomic Number Charge = -1 Location = in a cloud outside of the nucleus

Electron Orbitals Electrons are found within certain areas around the nucleus Each of these areas is called an orbital.

Electron Orbital - 1 The 1st orbital is closest to the nucleus. 1st fills 1st. Only holds 2 electrons

Draw a hydrogen atom

Electron Orbital – 2 The 2nd orbital fills after the 1st orbital is filled Holds 8 electrons

Draw a lithium atom

Electron Orbital – 3 The 3rd orbital fills after the 2nd orbital is filled Holds 8 electrons

Draw a sodium atom