Question

Group number symbolized what in the Periodic table?

Select one:

A. PROPERTY OF ELEMENT TO GAIN OR LOOSE ELECTION

B. NUMBER OF ELECTRONS IN VALANCE SHELL

C. TOTAL NUMBER OF SHELLS IN ELEMENTS 

D. TOTAL NUMBER OF SUB SHELLS

E. VALENCY OF ELEMENT IN IONIC STATE

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Answer 1

Answer:

The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom. Every element has a unique atomic number.

Answer 2

B.Number of electron in the balance shell..

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