vocab
reactivity
how many
groups/periods
pot luck
100
the number of electrons on the outermost energy level
What is valence
100
reactive
how reactive is Oxygen
100
8
how many protons are in oxygen?
100
2
how many energy levels is in oxygen?
100
how many neutrons are in an atom
what does the atomic mass tell you?
200
the vertical family
What is a group
200
extremely reactive!!!
how reactive is Flourine
200
1
how many electrons are in hydrogen?
200
fluorine family (group 17)
what family is bromine in?
200
Na
What is the symbol for sodium?
300
the horizontal row
What is a period
300
kind of reactive
how reactive is boron?
300
2
how many neutrons are in helium?
300
group 14
What group is carbon in?
300
how many valence electrons there is.
What does the group tell you?
400
the non-metal in group 18
What is a noble gas
400
kind of reactive
how reactive is carbon?
400
10
how many neutrons are in fluorine?
400
row 3
What row is argon in?
400
6
what period is thulium in?
500
metals in group 2
What is alkaline earth metals
500
not reactive at all
how reactive is iron?
500
1
how many valence electrons are in sodium?
500
the helium family (group18)
What family is neon in?
500
metalliods
What is the elements on the zig zag line?
M
e
n
u