00:01
What is the number of neutrons in an atom equal to? so an atom has three subatomic particles in it.
00:09
The electrons.
00:11
And the electrons will put on their own because they're not in the nucleus.
00:15
The other two are in the nucleus.
00:17
The neutrons and the protons.
00:22
So we'll have their charge and their mass.
00:28
An electron has a charge of negative one.
00:31
A neutron has a charge of zero.
00:32
It's neutral.
00:33
A proton has a charge of plus.
00:36
An electron has a mass of almost zero, not exactly zero, it's not massless like a photon is, but it has so little that we can ignore it compared to the neutron and the proton, both of which have a mass of 1.
00:50
So these are found in the nucleus.
00:55
So the nucleus is where you find the positive charge and the mass, the orbitals are where you find the negative charge.
01:01
What is the number of neutrons in an atom equal to? so let's look at, let's look at carbon 12.
01:10
Carbon 12 has an atomic number of six...