Chemistry Flashcards
(10 cards)
1
Q
What charge does a proton have?
A
Positive charge
2
Q
What charge does a neutron have?
A
No charge
3
Q
What charge does an electron have?
A
Negative charge
4
Q
What is the number at the top called and what does it represent?
A
- Atomic number
- Number of protons
5
Q
What is the number at the bottom called and what does it represent?
A
- Atomic mass
- Protons and neutrons together
6
Q
Period
A
Horizontal row of the periodic table
7
Q
Group
A
Vertical column of the periodic table
8
Q
4 groups of elements (that I’m learning)
A
Alkali Metals
alkaline metals
Halogens
Noble gases
9
Q
What is the outer shell of an atom called?
A
Valence shell
10
Q
A
