The Atom Flashcards
1
Q
subatomic particles
A
protons
neutrons
electrons
2
Q
proton charge
A
+1
3
Q
proton size
A
1
4
Q
proton location
A
nucleus
5
Q
neutron charge
A
1
6
Q
neutron size
A
1
7
Q
neutron location
A
nucleus
8
Q
electron charge
A
-1
9
Q
electron size
A
0
10
Q
electron location
A
electron cloud
11
Q
Atomic Number Z
A
the number of protons in the nucleus of each atom of that element
12
Q
Mass Number A
A
the number of protons & neutrons in the nucleus of an isotope
-protons + neutrons = mass number
13
Q
isotopes
A
atoms of the same element having different masses due to varying numbers of neutrons
14
Q
Atomic Mass
A
the average of all the naturally occurring isotopes of that element
