Elements
Inside the atom
Periodic table
Electrons
Random
100
The chemical symbol for Helium is what?
What is He
100
What are the 4 things inside the atom?
What is proton, neutron, necleus 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 are what?
What is 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
200
Where are electrons found?
What is electron cloud
200
What is the atomic mass?
What is average mass of the element
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 nuetrons are also called?
What is Necleons
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 W is what element?
What is tungsten
500
What is the atomic # for Xenon is what?
What is 54
500
About how much does a Proton weigh?
What is about one unit (u)
500
What is a thing that is a good conductor of heat and electricity?
What are metals
500
Where are quarks found?
What is Inside protons and nuetrons
500
What are metaliods?
What is properties of metals and nonmetal
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