Unit 1: Isotope in a Cup Chemistry
Cup #
Isotope Name
Ex
Carbon-14
Nuclear Symbol
Mass Number
#P
#N
#E
6
14
6
8
6
14
6
Oxygen-17
chlorine-37
Atomic Number
C
8
17
37
17 cl
12
5B
Phosphorus-35
Carbon-14
14
6c
Sulfer-22
22
16 S
17
20
17
5
12
5
7
5
15
35
15
20
15
6
14
16
6
16
Unit 1: Isotope in a Cup Chemistry
Nitrogen-24
19
9F
Beryllium-9
9
4B
Oxygen-20
20
8O
Aluminum-30
Nitrogen
What is Atomic Number = the number of
protons on a atom
11
24
11
13
11
9
19
9
10
9
9
4
8
13
15
7N
7
What is Mass Number = the total
number of protons and neutrons
3o
4
8
12
13
17
13
8
7
Did you have any two cups that were
isotopes of the same element? Y/N
Which two cups #s were they?
How could you tell/how were they
different?
Unit 1: Isotope in a Cup Chemistry