Unit 2 Flashcards
1
Q
What is an atom?
A
The smallest particle of an element that retains the chemical properties of that element.
2
Q
What is the nucleus?
A
A small region in the center of the atom.
3
Q
What is a proton’s location?
A
The nucleus.
4
Q
What is the symbol of a proton?
A
p+
5
Q
What is a proton’s charge
A
+1
6
Q
Proton’s mass number
A
1
7
Q
Electron symbol
A
e-
8
Q
Electron charge
A
-1
9
Q
Electron mass number
A
0
10
Q
Electron location
A
Electron cloud
11
Q
Neutron symbol
A
n0
12
Q
Neutron charge
A
0
12
Q
neutron mass number
A
1
13
Q
neutron location
A
nucleus
14
Q
mass number
A
number of protons plus number of neutrons in the nucleus