Considering the chemical properties, atomic weight of the element 'Be' was corrected based on (A) Valency(B) Configuration (C) Density (D) Atomic valume

Considering the chemical properties, atomic weight of the element 'Be'

1.	Considering the chemical properties, atomic weight of the element 'Be' was corrected based on (A) Valency(B) Configuration (C) Density (D) Atomic valume
Answer» CONFIGURATION (B)EXPLANATION:Configuration gives the no. of ELECTRONS, i.e., mass NUMBER, which defines the ATOMIC weightpls mark me brainliest