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History
Metals
Nonmetals
Metalloids
Noble Gases
100
How many elements existed in 1700?
What is thirteen elements.
100
What is the metal Ni?
What is Nickel.
100
What is the nonmetal He?
What is Helium.
100
What is the metalloid Si?
What is Silicon.
100
What noble gas is Kr?
What is Krypton.
200
What German scientist published a classification system?
Who is J.W. Dobereiner.
200
What is the metal Na?
What is Sodium.
200
What is the nonmetal Cl?
What is chloride.
200
What is the metalloid As?
What is Arsenic.
200
What noble gas is Ne?
What is Neon.
300
What Russian chemist published a table of elements in 1869?
Who is Dmitri Mendeleev.
300
Metals are good conductors of heat and ?
What is electric current.
300
What is the nonmetal C?
What is Carbon.
300
What is the metalloid B?
What is Boron.
300
Noble gases are in what state of matter?
What is a gas.
400
How were elements arranged in the periodic table?
What is groups of repeating properties.
400
All metals are solids at room temperature except for what element?
What is Mercury.
400
Solid nonmetals tend to be what?
What is very brittle.
400
What are the metalloid's properties made up of?
What is properties of both nonmetals and metals.
400
What group are noble gases in on the periodic table?
What is group 8A.
500
What British physicist determined an atomic number for each known element in 1913?
Who is Henry Moseley.
500
What percent does metals take up on the current periodic table?
What is 80 percent.
500
Nonmetals are poor conductors of electric current and ?
What is heat.
500
What shape does the metalloids make on the periodic table?
What is stairs.
500
How many noble gases are there in the current periodic table?
What is six elements.