Elements Flashcards
1
Q
What do elements contain
A
Substance containing atoms with the same atomic number/protons
2
Q
What are isotopes
A
The same number of protons but a different number of neutrons
3
Q
Why do we use relative atomic mass
A
It’s used instead of mass number when referring to the element as a whole
4
Q
What are abundances
A
Amounts
5
Q
How do you work out relative atomic mass
A
Sum of (isotope abundance x isotope mass number/ sum of abundances of all the isotopes
6
Q
What determines the type of atom it is
A
Number of protons in the nucleus
