Unit 4 Flashcards
0
Q
Periods
A
Horizontal rows on periodic table
1
Q
Proton
A
Positive subatomic particle
2
Q
Electron
A
Negatively subatomic particle
3
Q
Neutrons
A
Neutral subatomic particle
4
Q
Valence electrons
A
The electrons in the outermost energy level
5
Q
Atomic number
A
Number of protons in an element
6
Q
Atomic mass
A
Number of protons and neutrons
7
Q
Symbol
A
Represents an element
8
Q
Families
A
Vertical columns on a periodic table
9
Q
Atom is made up of what??
A
Protons, neutrons, and electrons
10
Q
Protons, neutrons, and electrons are considered….
A
Subatomic particles
11
Q
Protons has a __________ charge
A
Positive
12
Q
Neutrons has a __________ charge
A
Neutral
13
Q
Electron has a __________ charge
A
Negative
14
Q
Electrons circle the nucleus, holding what together??
A
The whole atom
