+1 vote
20.2k views
in Chemistry by (29.8k points)

If the symbolic representation of an atom is 3X6, find its valency, name and also give the reason for the valency? 

1 Answer

+1 vote
by (128k points)
selected by
 
Best answer

3X6 => Here subscript 3 represents its atomic number and superscript 6 denotes its mass number. 

Atomic number of element X = 3 

Electronic configuration 2, 1. 

Element X has single electron in outermost shell so its valency would be 1. 

Element X is lithium.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...