The periodic table is an essential tool for all chemists

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Presentation transcript:

The periodic table is an essential tool for all chemists The periodic table is an essential tool for all chemists. It is full of useful information. He 2 4.0 ATOMIC NUMBER SYMBOL NAME helium RELATIVE ATOMIC MASS

He 2 4 MASS NUMBER SYMBOL ATOMIC NUMBER

There are 3 sub atomic particles 2 4 ATOMIC NUMBER SYMBOL MASS NUMBER

He 2 4 B 5 11 O 8 16 Na 11 23 Cl 17 35 DEMO – LOVE HEARTS (Protons), PARMA VIOLETS (Neutrons) and SKITTLES (electrons)

There are 3 sub atomic particles Protons The number is found on the periodic table They have a charge Neutrons The number is calculated from the numbers on the periodic table They are found in the same location as another particle He 2 4 ATOMIC NUMBER SYMBOL MASS NUMBER Electrons They are always equal in number to another type of particle They have no fixed location