Mass of total positive charge present in an atom is 16533 times to tha

1.	Mass of total positive charge present in an atom is 16533 times to that of mass of electron.find the atomic number of this element.
Answer» 2, 8 , 9 , 2 2 , 8 , 18 , 1 2, 8 , 18 , 2 2 , 8 , 8 2 Answer : 3 Solution : We know that mass of a proton is 1837 times that of an electron. ∴ Atomic number of element =551101837=30 ∴ Electronic CONFIGURATION of the element is 2 , 8 , 18 , 2

Mass of total positive charge present in an atom is 16533 times to that of mass of electron.find the atomic number of this element.

Answer»

2, 8 , 9 , 2

2 , 8 , 18 , 1

2, 8 , 18 , 2

2 , 8 , 8 2

Answer :

Solution :

We know that mass of a proton is 1837 times that of an electron.

∴ Atomic number of element =551101837=30

∴ Electronic CONFIGURATION of the element is 2 , 8 , 18 , 2