What is the name of the group next the alkali metals
200
the nucleus
where is the most weight found in a atom
200
21
What is 9+10
300
period
What is the name when it goes side to side
300
noble gases
the group name that is not reactive at all and has 8 valence electrons or 0 valence electrons
300
electron cloud
where is most of the volume taken up
300
green atom
What is if one person is wearing a blue and someone else is wearing a red shirt, what is the atom?
400
transitional metals
what is name of the groups of metals that is from 3 to 12
400
electrons, protons neutrons
what are atoms made of
500
family/group
what is a another name for the column
500
halogens
what is the most reactive group of all of the periodic which has 7 valence electrons
500
190
If there were about 190 atoms in one subject, how many atoms do you think there would be in another atom exactly like the one i am describing at the moment?