Periodic Table How to use it…. ATOMIC NUMBER: The number of protons in the nucleus. It is the number of protons that identifies the element. 12.011 -4.

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Presentation transcript:

Periodic Table How to use it…

ATOMIC NUMBER: The number of protons in the nucleus. It is the number of protons that identifies the element C AtomicAc number

ATOMIC MASS: The sum of the protons and neutrons in the nucleus C AtomicAc mass

NEUTRONS: ROUNDED ATOMIC MASS – ATOMIC NUMBER FOR EXAMPLE…CARBON ATOMIC MASS = …ROUNDED IS 12 ATOMIC NUMBER = 6 12 – 6 = 6 NEUTRONS ROUNDED ATOMIC MASS ATOMIC NUMBER

VALENCE ELECTRONS: Electrons that are involved in transfer or sharing Located in the outer level of the atom Not all electrons in an atom are involved in the sharing or transferring 2 ways to represent the number of valence electrons: The Bohr Model Lewis Structure

VALENCE ELECTRONS: C Electron configuration

PERIODIC TABLE OF ELEMENTS: Organization of the all known elements based on their properties – such as atomic number C Selected oxidation state Atomic Mass Atomic Number Electron Configuration