00:01
Hello students, we need to tell the number of neutron protons and electrons for the following atoms.
00:09
In case of neutral atom, number of protons is equals to number of electrons which is equals to atomic number and mass number is equal to.
00:46
Equals to number of protons plus number of neutrons.
01:03
An atom is represented as x, za, where a is the mass number and is the atomic.
01:26
First is argon 40.
01:32
Atomic number for argon is 18.
01:37
So number of protons which is equals to number of electrons will be equal to 18 and number of neutrons will be equals to 40 minus 18 which is equals to 20 next is zinc 65 atomic number for zinc is 30 so number of protons is equals to number of electrons and number of neutrons will be equals to 65 minus 30.
03:05
So number of protons is equal to number of electrons which is 30 and number of neutrons will be equals to 65 minus 30 which will be equals to 35.
03:21
Next atom is gallium 70 atomic number for gallium is 31 so number of protons is equals to number of electrons which is equals to 31 and neutrons will be equals to 70 minus 31 so it will be equals to 39.
04:23
Next is bromine 80 atomic number for bromine is 35.
04:31
So number of protons is equal to number of electrons and neutrons will be.
04:52
So number of electrons is equals to number of protons...