Periodic Table Groups
Covalent Bonds
Ionic Bonds
Scientists
Modern Periodic Table
100
Has 1 valance electron.
What is Group 1?
100
Two atoms bonded by sharing electrons.
What is a covelnt bond.
100
Chemical bond involving the transferring of electrons.
What is an ionic bond?
100
Came up with the Periodic Law.
Who is Henry Moseley?
100
Group 1 (except for Hydrogen) and very reactive with water.
What are the Alkali Metals?
200
Has 8 valence electrons.
What is Group 18?
200
Name of the formation when two or more atoms bond covalently.
What is a molecule?
200
Positively charged ion.
What is a cation?
200
Found a connection between atomic mass and elemental properties.
Who is Dimitri Mendelev/ Lothar Meyer?
200
Group 2 and highly reactive, but not as reactive as Group 1.
What are Alkaline Earth Metals?
300
Transition metals and have 2 valence electrons.
What is Groups 3-12?
300
Two atoms of the same element that share valence electrons.
What is a diatomic molecule?
300
Negatively charged ion.
What is an anion?
300
Came up with the Law of Octaves.
Who is John Newland?
300
Group 17 and very reactive.
What are the Halogens?
400
Needs to gain 2 electrons to become stable.
What is Group 16?
400
A bond between two non metals that has an unequal sharing of the electron.
What is a polar covalent bond?
400
A compound that contains ionic bonds.
What is an ionic compound?
400
Organized elements into triads.
Who is J.W. Dobereiner?
400
Group 18 and very unreactive.
What are the Noble Gases?
500
Needs to gain 1 electron to become stable.
What is Group 17?
500
A bond between two non metals that has equal sharing of electrons.
What is nonpolar covalent?
500
Name of most ionic compounds.
What is salts?
500
Organized 33 known elements into 4 groups.
Who is Antoine Lavoisier?
500
Border the stair step line and also called semi-metals.
What are the Metalloids?
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