The periodic table Chapter 5 lesson 1 Flashcards
1
Q
Describes something that occurs or repeats at regular intervals.
A
Periodic
2
Q
The law that states that the repeating chemical and physical properties.
A
Periodic law
3
Q
In chemistry, a horizontal row of elements in the periodic table.
A
Period
4
Q
A vertical column of elements in the periodic table.
A
Group
5
Q
Are elemets in group 1 of the periodic table.
A
Alkali metals
6
Q
Less reactive than alkali metals are.
A
Alkaline-earth metals
7
Q
One of the elements of group 17 of the periodic table.
A
Halogen
8
Q
Are unreactive nonmetals and are in group 18 of the periodic table.
A
Noble gases
