Atoms- isotpes Flashcards
1
Q
What are isotopes?
A
atoms of an element that contain the same amount of protons and electrons but different numbers of neutrons
2
Q
State and explain the difference, if any, in the reactivity between two isotopes of an element
A
difference: none
explanation: because they have the same number of electrons
3
Q
What controls the reactivity of an element?
A
electrons
4
Q
How do you calculate the relative atomic mass?
A
times the mass number by its abundance then add them together then divide the total by the total abundance