Element/Symbol
Groups
Vocabulary
Valence Electrons
Review Questions
100
He
What is Helium
100
This group is known as group 2A and contains the metals Beryllium, Magnesium, Calcium, Strontium, Barium and Radium.
What is Alkaline Earth Metals
100
An arrangement of elements in columns, based on a set of properties that repeat from row to row.
What is Periodic Table
100
Group 8A
What is 8 valence electrons
100
Group 4A's element that is a nonmetal
What is Carbon
200
Copper
What is Cu
200
This is group 5A and it contains two nonmetals, two metalloids, and one metal.
What is The Nitrogen Family
200
Elements that are good conductors of heat and electric current
What is Metals
200
Flourine
What is 7 valence electrons
200
The most abundant element in the earths crust
What is Oxygen
300
Bismuth
What is Bi
300
This group contains the element Helium.
What is The Noble Gases
300
Is defined as one twelth of the mass of a carbon - 12 atom
What is Atomic Mass Unit (amu)
300
Carbon
What is 4 valence electrons
300
The group of elements that are the least reactive
What is The Noble Gases
400
I
What is Iodine
400
Despite their physical differences, this group has similar chemical properties.
What is The Halogens
400
An electron that is in the highest occupied energy level of an atom
What is Valence Electron
400
Sulfur
What is 6 valence electrons
400
This element is added to drinking water to kill bacteria
What is Chlorine
500
Antimony
What is Sb
500
This group contains Aluminum, the most abundant metal in the Earth's crust
What is The Boron Family
500
The elements in group 7A
What is Halogens
500
Lithium
What is 1 valence electron
500
The amount of periods in the periodic table
What is 7
M
e
n
u