Atomic structure Flashcards
1
Q
Name the three particles that make up and atom and their electric charge.
A
Proton (+), Electron (-) and Neutron (neutral)
2
Q
What two particles are found in the nucleus of the atom?
A
Proton and neutron.
3
Q
Where are the electrons found in an atom?
A
Orbiting around the nucleus.
4
Q
How does the mass of each sub-atomic particle compare?
A
The protons and neutrons have about the same mass. The electron is about 2000 times lighter than a proton.
5
Q
What is the charge of the nucleus?
A
Positive
