Organization
Elements
Periods
Groups
Cool Stuff!
100
He, Ne, Ar are among these elements.
What are nobel gases?
100
The element is critical for life on Earth
What is Oxygen?
100
Potassium, Calcium, Copper
Period 4
100
There are 18 of these...
What is the number of groups in the periodic table?
100
The stair step line on the periodic table
What is the line that separates metals from non-metals?
200
These elements are on the left side of the stair step.
What are non-metals.
200
This element has 3 energy levels and is a metalloid.
What is Silicon?
200
Only 2 elements are in this period.
What is period #1?
200
Oxygen, Sulfur live in the group.
What is group #16?
200
The most abundnt element in the universe
What is hydrogen?
300
These elements are on the left side of the periodic table.
What are metals?
300
14.007
What is the atomic mass of Nitrogen?
300
number of energy levels
What is a characteristic of a period?
300
Nobel gases
What is the least reactive group of elements?
300
The man who developed the modern day periodic table.
Who is Mendeleev?
400
This number is located at the top of each element symbol.
What is atomic number?
400
Atomic mass.
What is the number of protons plus nuetrons?
400
NaCl
What is salt?
400
Same number of valance electrons.
What do elements in the same group have in common?
400
positive charge
What is the charge of a proton?
500
29
What is the atomic number for copper?
500
Group #1
Which elements are the most reactive?
500
7 energy levels, atomic number 108
What is Hassium
500
Manganese
What is an element in group 7?
500
These can change depending on which element they need to bond with.
What are metalloids?
M
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