subatomic particles Flashcards
1
Q
what is an atom
A
smallest particle of an element
2
Q
what are the 3 different subatomic particles
A
protons , neutrons , electrons
3
Q
what is the charge for a proton
A
+1
4
Q
what is the charge of an electron
A
-1
5
Q
what is the charge of a neutron
A
0
6
Q
what is the mass of a proton
A
1
7
Q
what is the mass of an electron
A
0 , 1/2000
8
Q
what is the mass of a neutron
A
1
9
Q
what is the nucleus
A
protons , neutrons
10
Q
what is in the outer shell
A
electrons
11
Q
what is the bottom number of an element
A
atomic number
12
Q
what is the top number of an element
A
atomic mass
13
Q
how do you find the protons / electrons
A
finding the atomic number
14
Q
how do you find the neutrons
A
atomic mass - atomic number
