CC3C Isotopes Flashcards
1
Q
What did James Chadwick discover
A
The neutron and isotopes
2
Q
What is an isotope
A
Are atoms with the same number of protons but a different number of neutrons
3
Q
Why is the relative atomic mass not always a whole number
A
Different isotopes of the same element have different mass numbers. The relative atomic mass is an average of the masses of all these isotopes
4
Q
How do you calculate relative atomic mass using its abundance
A
the number of atoms
