1.2 Flashcards
Mass Number, atomic number, isotopes
1
Q
What is the atomic number? And what is its symbol?
A
The atomic number is the number of protons found in the nucleus of an atom.
It has a symbol Z
2
Q
What is the mass number? And what is its symbol?
A
The mass number is the amount of nucleons found in the nucleus of an atom.
It has a symbol A
3
Q
What are isotopes?
A
Isotopes are atoms of the same element with the same number of protons but a different number of neutrons
