Atomic Structure Flashcards
1
Q
What 3 particles make up an atom?
A
Protons, neutrons and electrons
2
Q
What is the atomic number?
A
Number of protons in an atom - defines what element it is
3
Q
What is the mass number?
A
Number of protons + neutrons
4
Q
What is an isotope?
A
Different forms of the same element, which have the same number of protons but a different number of neutrons in their nuclei
5
Q
What is the specific charge of an atom?
A
It’s charge to mass ratio (in C/kg)