atoms
periodic table
elements
metals
nonmetals and metalloids
100
positive
What is the charge of a proton?
100
chemical symbol
What are the elements arranged by?
100
element
what is a pure substance called?
100
the left and middle
where are they located on the periodic table?
100
on the right
Where are they located on the periodic table?
200
neutral
What is the charge of a neutron?
200
groups/familys
What are the columns called?
200
the number of protons
What does the atomic number represent?
200
group 1
what group are the alkali metals located?
200
elements with properties of metals and nonmetals
what are metalloids?
300
positive
What is the overall charge of the nucleus?
300
periods
What are are the rows called?
300
subtract the number of protons from the mass
how do you find at the number of neutrons?
300
group 18
Where group are the noble gases in?
400
electron cloud
Where are the electrons located?
400
the number of valence electrons
What do the groups mean?
400
metals, nonmetals, and metalloids
what are the names of the different categories of elements?
400
3-12
What group are the transition metals located?
400
the halogens
what are the elements called in group 17?
500
2/8
how many electrons can each shell hold?
500
number of outer shells
What do the periods mean?
500
111
how many elements are in the periodic table?
500
ductile, luster, malleable, and conductivity
What are the properties of metals?
500
7
how many metalloids are there?
M
e
n
u