The basics of atomic structure Flashcards
1
Q
what is the atomic number
A
the number of protons in the nucleus of the atom
2
Q
what is the mass number
A
the total number of protons and neutrons in the nucleus of the atom
3
Q
what are isotopes
A
atoms of the same element which have different mass numbers
4
Q
what do different isotopes have in common
A
the same atomic number
5
Q
what is the mass number represented by
A
A
6
Q
what is the atomic number represented by
A
Z
7
Q
what are the three isotopes of hydrogen
A
protium
deuterium
tritium
