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Atoms
Periodic Table
Metals
Nonmetal
Metalloids
100
Negatively charged, found outside the nucleus, same # as protons
What is an electron
100
Arranged in order of increasing atomic mass
What is Mendeleev's periodic table
100
Most reactive metals
What is Alkali Metals
100
Most reactive nonmetals
What are Halogens
100
Properties of metalloids
What is properties of metals and nonmetals
200
Has no charge, found in the nucleus, # = atomic mass - atomic number
What is a neutron
200
What is located to the left of the zig-zag line
What are metals
200
Family 2, 2 valence electrons
What Alkaline Earth Metals,
200
Atomic #1, Only 1 member in family
What is Hydrogen
200
element that conducts heat/electricity under certain conditions
What is a semiconductor
300
Positive charge, found in the nucleus, # = atomic number
What is a proton
300
Located to the right of the zig-zag line
What nonmetals
300
The ability of a substance to be hammered or rolled into sheets
What is malleable
300
Family 18, not reactive
What Noble Gases
300
Location of metalloids
What is touching the zig-zag line
400
Electrons in the outer energy level, involved in bonding
What are valence electrons
400
vertical column in periodic table, share same # of valence electrons
What is Period/Group
400
The ability to be pulled into thin wires
What is ductile
400
Family 16
What is Oxygen Family
400
Metalloid used in rat poison
What is arsenic
500
Overall charge of an atom
What is neutral
500
Horizontal row in periodic table, valence # increases from left to right
What is a Period
500
Properties of Metals
What is shiny, good conductor of heat and electricity, malleable, ductile, hard
500
Properties of Nonmetals
What is poor conductor, brittle, dull
500
Metalloid used in plastic surgery
What is silicon