Atoms Flashcards
1
Q
What are the 3 types of sub atomic atoms
A
Electrons
Protons
Neutrons
2
Q
What do like charges and unlike charges do
A
Like charges repel
Unlike attract
3
Q
Where are protons and neutrons and why is it heavy
A
Nucleus
Mass is concentrated
4
Q
What can electrons do that protons can’t
A
Free to move
5
Q
What is the conservation of charges
A
Charges cannot be created or destroyed only separated and transferred from one to another
6
Q
What is the mass of electron, proton and neutron
A
Electron - 1/1837 of proton
Proton - 1
Neutron - 1
7
Q
What dies the word atom mean
A
Comes from Greek word atomos which means indivisible
