#1) The average atomic mass of Carbon is:

#2) A neutral Carbon atom has ___ electrons.

#3) The atomic number of Carbon is:

#4) All Carbon atoms have ___ protons.

#5) Carbon atoms normally have ___ neutrons.

#6) If I wanted to turn a Carbon atom into a +1 Carbon ion, I would have to do what?
a) add an electron
b) remove an electron
c) add a proton
d) remove a proton

#7) If I took a normal, neutral Carbon atom and removed two electrons from it, then I would have a ____ Carbon ion.

#8) Someone has created a -1 charged Carbon ion. The symbol would be "C-". How would this ion come to exist?
a) add an electron to a neutral Carbon atom
b) remove an electron to a neutral Carbon atom
c) add a proton to a neutral Carbon atom
d) remove a proton to a neutral Carbon atom

#9) Where are the neutrons of an atom located?
a) in the nucleus
b) in the electron cloud
c) outside the atom
d) in both choices b & c

#10) Which part of an atom is most free to move?
a) the proton
b) the neutron
c) the electron
d) the quark

*** extra credit: No one can ever know what an atom really looks like, because we humans see "visible" light,
and single atoms are smaller than the _ _ _ _ _ _ _ _ _ _ _ of visible light.