Atomic Structure Flashcards
1
Q
What three subatomic particles are in an atom?
A
Proton
Neutron
Electron
2
Q
Where are the protons and neutrons in an atom?
A
In the nucleus
3
Q
Where are the electrons in an atom located?
A
In the shell
4
Q
What is the charge and mass of a proton?
A
Charge: +1
Mass: 1
5
Q
What is the charge and mass of a neutron?
A
Charge: 0
Mass: 1
6
Q
What is the charge and mass of an electron?
A
Charge: -1
Mass: Almost 0
7
Q
How do you find the number of subatomic particles in an atom?
A
Protons = Atomic number
Electrons = Atomic number
Neutrons = Mass number - atomic number