Structure Of An Atom Flashcards
1
Q
What are subatomic particles
A
Protons
Neutrons
Electrons
2
Q
How many electrons can be in the first shell ?
A
2 electrons can be in the first shell z
3
Q
How many electrons can be in the outer shell ?
A
8 electrons can be in the outer shell.
4
Q
What is a mass number?
A
Total number of protons and neutrons.
5
Q
What is a neutron?
A
Atomic mass- atomic number .
Big number - small number
6
Q
What are isotopes?
A
Isotopes are elements with the same number of protons but different number of neutrons
