Retain my current
1.a metal 'M ' forms an oxide having formula M2O.it belongs to 4th period in the modern periodic table .identify the metal.write its atomic number and valency ?
POTASSIUM 'K ' ATOMIC NO - 19 VALENCY - 1
Tanmana Mitra (student) on 8/3/11
A THMBS UP PLZ... IF DS HELPS U.....
Become a Meritnation Franchisee! Learn More
Copyright © 2015 Applect Learning Systems Pvt. Ltd. All rights reserved.