The Periodic Table Flashcards
1
Q
What are the vertical columns called?
A
Groups.
2
Q
What type of gases are group 0?
A
Noble.
3
Q
What is the top number of an element?
A
Mass number (total no of protons + neutrons).
4
Q
What is the bottom number of an element?
A
The atomic number (total number of protons, also number of electrons).
5
Q
What type of metals are group 1 and 2?
A
Reactive metals.
6
Q
What type of metals are in between groups 2 and 3?
A
Transition metals.
