Nucleon & Proton Number 2.1.2 Flashcards
1
Q
what does the mass number represent
A
number of protons and number of neutrons
1
Q
what does the atomic number represent
A
number of protons
2
Q
what must be true for a neutral atom
A
protons and neutrons must be neutral
3
Q
what is an isotope
A
an atom with a different number of neutrons and same number of protons
4
Q
What is the nucleon number and how is it represented
A
mass number (A)
5
Q
what is the proton / atomic number and how is it represented
A
atomic number (Z)
