Show:
atomic number
atomic mass (rounded)
true or false
metal or nonmetal
100
what do you do to find the atomic number?
find the amount of protons....
100
where the atomic mass located?
on the bottom
100
sodium (SC) atomic mass is 45
true (rounded)
100
is hydrogen (H) a metal
no
200
what is the atomic number of hydrogen (H)
1
200
what is the atomic m. of hydrogen (H)
1
200
gold (AU) is a nonmetal
false
200
is sodium (NA) a metal
yes
300
what is the atomic number for oxegon (O)
8
300
what is the atomic m. of oxygen (O)
16
300
lithium (LI) is a nonmetal
false
300
is helium (HE) a metal
no
400
where is the atomic number located
on top
400
what is the atomic m. of neon (NE)
20
400
silver (AG) atomic number is 47
true
400
is neon (NE) a metal
no
500
what is the atomic number of gold (AU)
79
500
what is the atomic m. of calcium(CS)
133
500
platinum (PT) atomic number is 78
true
500
is curium (CM) a metal
YES