Periodic Table Flashcards
0
Q
Groups
A
The columns of a periodic table. Sometimes called element families and are named after the first element in the column.
1
Q
Periods
A
The rows of a periodic table
3
Q
Lanthanides
A
cerium (Ce) to lutetium (Lu) are in period 6
4
Q
Alkali metals
A
Group 1A except for hydrogen. The lithium family.
5
Q
Alkaline earth metals
A
Group 2A. The beryllium family.
6
Q
Chalcogens
A
Group 6A. The oxygen family.
7
Q
Halogens
A
Group 7A. The fluorine family.
8
Q
Noble gases
A
Group 8A. The helium family.
9
Q
Metalloids
A
Nonmetals that act in any ways like a metal.
10
Q
Transition elements
A
The middle ten Groups (all B groups) and the lanthanides and actinides (inner transition elements).
11
Q
Actinides
A
thorium (Th) to lawrencium (Lr) are in period 7
