Isoptopes - SC3 Flashcards
1
Q
What are isotopes?
A
Atoms with the same number of protons an different number of neutrons
2
Q
What is relative atomic mass?
A
the average mass of it’s atoms compared to 1/2 the mass of a carbon-12 atom
carbon 12 is the benchmark for other elements in the periodic table
3
Q
Formula for relative atomic mass?
A
(mass x %) + (mass x %) / 100
4
Q
steps to relative atomic mass?
A
find percentage, form equation, get answer, round according to requirements
5
Q
how do you know if you got the wrong answer?
A
the correct answer will always be between the mass numbers. e. g: the answer will be between 35 and 37 if those are the mass numbers stated)
