00:01
In the question, a table is given and the table has to be filled.
00:06
Now the table is, this has the following contents.
00:10
Name of element.
00:14
Then the symbol.
00:18
The atomic number.
00:22
The mass number.
00:25
Number of protons.
00:31
Number of neutrons.
00:36
And number of electrons.
00:40
Now, this has.
00:43
To be filled in the table.
00:47
Now first the symbol is given which is nitrogen.
00:54
What is the element? it is nitrogen and the atomic number is 7 the mass number is 14 the number of protons is 7, neutrons in 7 and electrons in 7.
01:07
Here the atomic number i'll mark the atomic number is equal to the proton number, number of protons, okay? and the mass number is equal to protons and number of neutrons.
01:41
Okay, the first one is nitrogen.
01:45
In the second one, the element is given which is phosphorus.
01:50
The symbol for phosphorus is p, its atomic number is...