periodic table
elements
nucleus/atom
Periodic table 2
Periodic table 3
100
transition elements
What is group 3-12
100
most elements on periodic table are...
What is metals
100
# of protons in nucleus of atom=
What is atomic#
100
what side of stairstep are metals found?
What is to the left of the staircase
100
there are periods
What is 7
200
group 18 name
What is noble gases
200
sodium is a...
What is solid
200
atomic mass of an element =
What is # of protons + nuetrons
200
what side of the stair step are non metals found?
What is to the right of the staircase
200
How many elements on period 2
What is 8
300
group 1 name
What is alkali metals
300
nitrogen is a...
What is gas
300
atoms that have same number of protons+nuetrons is called a...
What is nuetrul atom
300
who was the first to invent the periodic table?
What is Dimitri mendeleev
300
groups have same properties
What is chemical
400
horizontal rows are called...
What is periods
400
nickel is an element
What is transition
400
Average mass of isotopes of an element=
What is atomic mass
400
periodic table is arranged by...
What is atomic mass
400
If in same period, there are no properties
What is similiar
500
vertical coloms are called...
What is groups
500
what are the 3 diffrent classes that element are divided up in?
What is metal, nonmetal, metalloid
500
argon neon krypton, xenon all belong to same
What is family
500
there are groups
What is 18
500
more than 1/2 are gas at room temperature
What is non metal
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