Vocabulary
Facts
Calculation
Identification
Review
100
What are periods on the periodic table (columns or rows)?
Rows
100
Who created the first periodic table?
Mendeleev
100
How many protons does Indium (#49) have?
49
100
What is the name of element 108?
Hassium
100
How was the first periodic table organized?
Atomic Mass
200
What are groups/families on the periodic table (columns or rows)?
Columns
200
Name the current atom model.
Electron Cloud
200
How many electrons does Oxygen (#8) have?
8
200
What is the symbol for the element Tungsten (#74)?
W
200
What makes an element radioactive?
Unbalance number of protons and neutrons (unstable)
300
Where are the non-metals with respect to the metalloids (right or left)?
Right
300
What is the atomic mass of Platinum (#78)?
195.078
300
How many neutrons does Chlorine (#17) have?
18
300
What family is Lithium (#3) in?
Alkali Metals
300
How is the atomic mass determined?
Average mass of all isotopes
400
Give 2 characteristics of metals.
1) shiny 2) malleable 3) ductile 4) good conductor of heat 5) good conductor of electricity
400
What determines the atomic number of an element?
Protons
400
What is the mass number for Iodine (#53)?
127
400
What is the group number for the halogen group?
17
400
How is the current periodic table organized?
Atomic Number
500
What are 2 characteristics of non-metals.
1) poor conductors of heat 2) poor conductors of electricity 3) gases 4) brittle solids
500
What is the name for group 15 in the periodic table?
Nitrogen family
500
What element has the higher atomic mass, Strontium (#38) or Barium (#56)?
Barium
500
How many valence electrons does Germanium (#32) have?
4
500
Why is the atomic mass of Copper not a whole number?
It is the average mass of its many isotopes.
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