Day 7 - Calculating Atomic Mass Flashcards
1
Q
Silicon-28 : 92.23%
Silicon-29: 4.68%
Silicon-30: 3.09%
A
28.1
2
Q
Rb-85 : 72.15%
Rb-87 : 27.85%
A
85.56
3
Q
Cu-63 : 69.17%
Cu-65 : 30.83%
A
108.89
4
Q
Br-79 : 50.69%
Br-81 : 49.31%
A
79.99 or 80
5
Q
Nucleon is equal to?
A
1 amu
6
Q
Most elements have?
A
Variety of isotopes (Br-79)
7
Q
Atomic mass is listed based on?
A
The occurrence of each isotope on Earth
8
Q
How to find the fractional abundance?
A
percent abundance / 100
