chap5: atomic structure Flashcards
1
Q
relative charge
A
proton: +1
neutron: 0
electron: -1
2
Q
relative mass
A
proton: 1
neutron: 1
electron: 1/1840
3
Q
nucleon number
A
protons+neutrons
4
Q
what are isotopes?
A
isotopes are the same element with same number of protons and electrons but different number of neutrons