Periodic Table.

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Presentation transcript:

Periodic Table

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties Element: pure substance that cannot be broken down into simpler substances e.g. oxygen, gold

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties Element: pure substance that cannot be broken down into simpler substances e.g. oxygen, gold Compound: pure substance made up of elements bonded together e.g. water, baking soda

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties Subatomic particles: the pieces that make up an atom (protons, neutrons, electrons)

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties Subatomic particles: the pieces that make up an atom (protons, neutrons, electrons) Proton: positively charged particle

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties Subatomic particles: the pieces that make up an atom (protons, neutrons, electrons) Proton: positively charged particle Neutron: particle with no electric charge

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties Subatomic particles: the pieces that make up an atom (protons, neutrons, electrons) Proton: positively charged particle Neutron: particle with no electric charge Electron: negatively charged particle

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties -elements are arranged in order by atomic number

Periodic Table Periodic Table: lists all known elements in rows and columns based on patterns of similar properties -elements are arranged in order by atomic number Atomic Number: number of protons in atoms of that element

Periodic Table

Periodic Table Atomic Numbers: Oxygen (O) = ?

Periodic Table Atomic Numbers: Oxygen (O) = 8

Periodic Table Atomic Numbers: Oxygen (O) = 8 Helium (He) = ?

Periodic Table Atomic Numbers: Oxygen (O) = 8 Helium (He) = 2

Periodic Table Atomic Numbers: Oxygen (O) = 8 Helium (He) = 2 Gold (Au) = ?

Periodic Table Atomic Numbers: Oxygen (O) = 8 Helium (He) = 2 Gold (Au) = 79

Periodic Table Period: a horizontal row

Periodic Table Group (Family): a vertical column

Periodic Table Group (Family): a vertical column Alkali Metals: group IA Alkaline Earth Metals: group 2A Halogens: group 7A Noble Gases: group 8A

Periodic Table Staircase: a stepped line separating metals and non-metals

Periodic Table Staircase: a stepped line separating metals and non-metals Metals: to the left Non-metals: to the right Metalloids: around the staircase