table terms
location location location
groups
periods
ID the element
100
group 17
what group are halogens in?
100
16 protons
an element with how many protons is found in group 16 period 3?
100
hydrogen
is the first element in group 1?
100
7 periods
how many periods in the periodic table?
100
amu 16
oxogen has an atomic mass unit of?
200
group 18
Where are noble gases located?
200
hydrogen
what element is found in group 1 period 1?
200
group 18 or 8
elements with 8 valance electrons are found in what groups?
200
lithium beryillium boron carbon nitrogen oxogen flourine neon
an element found in period 2
200
69 protons
thillium has how many protons?
300
seperates elements by number of valance electrons
What are groups?
300
group 1 period 3
sodium is found where?
300
group 2
storntium is found in what group
300
period 6
gold is found in what period?
300
helium
What element has 2 valance electrons but is stable?
400
rows of elements
what are periods?
400
group 16 period 2
oxygen is found where?
400
group 16
element with 84 protons is found in what group?
400
silver tin and cadium
elemenst in period 6
400
2 energy levels
lithium breyllium boron carbon nitrogen flourine and neon have how many energy levels?
500
alkaline earth metals
group 2 cotnain what type on elements?
500
hassium
what element is found in group 18 period 3
500
group 5
an element with 262 amu is found in what group?
500
hydrogen and heilum
period 1 contains which elemets?
500
calcium
what is a neutral element in period 6?
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