Chemistry Test (Unit 3). Flashcards
1
Q
What is the sum of protons and neutrons in the nucleus known as?
A
Mass number
2
Q
What two subatomic particles are located in the nucleus of an atom?
A
Protons and neutrons
3
Q
How many protons does Carbon-13 have?
A
6
4
Q
What is the overall charge of an atom’s nucleus?
A
Positive
5
Q
Do neutrons have a charge or no?
A
No
6
Q
If aluminum has an atomic number of 13, it means that it has what?
A
13 Protons
7
Q
41Ca has how many neutrons?
A
21
8
Q
Which atom has only 22 protons in its nucleus?
A
Titanium
9
Q
TOF - 24Mg is written correctly
A
False
10
Q
What element has the most neutrons?
A
Silicon-31
11
Q
What element has the most protons?
A
Chlorine-31
12
Q
Which element has the lowest mass?
A
Electron
13
Q
What is the overall charge of an atom?
A
Positive
14
Q
A
