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Elements
Inside the atom
Periodic table
Electrons
Random
100
The chemical symbol for Helium is what?
What is He
100
What are the 3 things inside the atom?
What is proton, neutron, and electron
100
Who invented the periodic table?
Who is Dimitri Mendeleev
100
About how big is an electron?
electrons bout as big as quarks
100
Isotopes of an atom are what?
What are atoms with different # of neutrons
200
The chemical symbol for Sulfur is what?
What is S
200
What is inside the nucleus?
What is proton and neutron
200
What the atomic number?
What is # of protons in an atom
200
Where are electrons found?
What is electron cloud
200
What is special about the noble gas group?
What are stable gases.
300
The chemical symbol for Oxygen is what?
What is O
300
What makes up protons and neutrons?
What are quarks
300
What is a group?
What is verticle columns in periodic table
300
How many electrons are in the 3 energy level of an atom?
What is 18 electrons
300
Who is Henry G.J. Moseley?
What is yoing English scientist who arranged the periodic table
400
The atomic # for Cobalt is what?
What is Co
400
What are protons and neutrons are also called?
What is Nucleus.
400
What are periods?
What is horizontal rows in periodic table
400
What charge does an electron have?
What is negative charge
400
The atomic symbol Ca is what element?
What is Calcium?
500
What is the chemical name for Mercury
What is Pb
500
What is atomic mass a measurement of
What is neutrons and protons.
500
What type of elements are good conductors of heat and electricity?
What are metals
500
Where are quarks found?
What is Inside protons and nuetrons
500
What are metalliods?
What are atoms that have properties of metals and nonmetal