M3-L1: Classification of Elements as Arranged in the Periodic Table Flashcards
1
Q
An element is a substance made of only ___ kind of atom.
A
One
2
Q
There are _ horizontal rows (periods) and __ vertical columns (groups).
A
7 periods (rows)
18 groups (columns)
3
Q
There are ___ elements in the periodic table.
A
118
4
Q
Group 1 (except for Hydrogen) is called?
A
Alkali Metals
5
Q
Group 2 is called?
A
Alkaline Earth Metals
6
Q
Group 17 is called?
A
Halogens
7
Q
Group 18 is called?
A
Noble Gases
