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Key Terms
Groups
Definitions
Dmetri Mendelyev
100
atomic mass unit
What does amu stand for
100
alkali metals
What is group 1 called?
100
can be pulled out or drawn throw a long wire
What is ductile?
100
Russian
What is his etnicity?
200
mostly empty space
What is an atom
200
Alkaline Earth Metals
What is group 2 called?
200
can be pounded into shapes
What is malleable
200
found patterns based on increasing atomic mass
What did he find
300
nucleus
What is the "center"
300
Transition Metals
What is group 3-12 called?
300
transmit heat and electricity
What is conductor?
400
average number of protons neutrons
What is atomic mass
400
carbon family
What is group 4 called?
400
attracted to a magnet
What is magnetic?
500
protons
What is atomic number
500
nitrogen and oxygen family
What is group 15 and 16 called?
500
mixture of metals
What is alloy?