Introduction to the Periodic Table Atomic Number ● Symbol ● Atomic Weight Element ● Compound ● Mixture.

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Presentation transcript:

Introduction to the Periodic Table Atomic Number ● Symbol ● Atomic Weight Element ● Compound ● Mixture

I am Dmitri Mendeleev! I made the PERIODIC TABLE !

How do you read the PERIODIC TABLE?

What is the ATOMIC NUMBER? o The number of protons found in the nucleus of an atom Or o The number of electrons surrounding the nucleus of an atom.

What is the SYMBOL? o An abbreviation of the element name.

What is the ATOMIC WEIGHT? o The number of protons and neutrons in the nucleus of an atom.

How do I find the number of protons, electrons, and neutrons in an element using the periodic table? o # of PROTONS = ATOMIC NUMBER o # of ELECTRONS = ATOMIC NUMBER o # of NEUTRONS = ATOMIC _ ATOMIC WEIGHT NUMBER WEIGHT NUMBER

Other info about the PERIODIC TABLE? o Shows the elements in order by atomic number from left to right.

Other info about the Periodic Table. o Columns are known as “Groups” or “Families” o Rows are known as “Periods” Groups Groups Periods Periods

Other info about the Periodic Table o The last group on the periodic table are the noble gases. Group 18