The periodic Table 8.P.1.1.

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The Periodic Table.

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Presentation transcript:

The periodic Table 8.P.1.1

WARM UP Which particles of an atom can be found in the nucleus A. Proton B. Electron C. Neutron How many total electrons does Argon have? Draw a Lewis Dot Diagram for Argon.

Video Periodic table https://www.youtube.com/watch?v=fPnwBITSmgU

PERIODIC TABLE Dmitri Mendeleyev- a Russian chemist classified elements according to their properties Chemical symbols- composed of one or two letters First letter is always capital, second is lower case

Periodic table Atomic number- the number of protons in nucleus mass Atomic number- the number of protons in nucleus #of protons =#of electrons Atomic Mass- #of protons + #of neutrons

Periodic Table Periodic table organizes information about the elements Today it is organized by atomic number Horizontal rows on the periodic table are called periods Vertical columns are called groups

Groups 18

Periods