Nucleus Foundation Flashcards
1
Q
What are atoms made of?
A
Subatomic particles
2
Q
What are the basic subatomic particles?
A
Protons, electrons & neutrons
3
Q
What 2 subatomic particles that are relatively the same size?
A
Protons & neutrons with a relative mass of 1
4
Q
What subatomic particle is the smallest?
A
Electrons with a relative mass of 0
5
Q
What is an isotope?
A
Same no. protons, different neutron
6
Q
What is the 2 electrostatic forces?
A
Repulson & Attraction
7
Q
What charges can cause repulsion?
A
Like charges AKA ++ or - -
8
Q
What charges can cause attraction?
A
Opposite charges AKA +- or -+
9
Q
What are radioisotopes?
A
nuclei with too much/low neutrons, making it unstable-> radioactive.
10
Q
What can balance strong electrostatic repulsion?
A
Strong nuclear force to make it a stable nuclei
