Periodic Table Flashcards
1
Q
Periodic table
A
Show the range of elements
2
Q
Atoms
A
Very small things
3
Q
Group 1
A
Alkali metals
Soft grey metals
Exotheric reaction
4
Q
Group 7
A
Halogens
Non metals
Highly reaction
(Water)
5
Q
Group 0
A
Noble gases
Full outer shell
Unreactive
6
Q
Middle section
A
Transition metals
7
Q
Newland
A
By mass
Into patterns
8
Q
Mendeleev
A
By mass
Left a gap
Similar pattern