Forum Forums Class 9 Science Atoms and Molecules Notifications Clear all Atoms and Molecules Page 10 / 15 Prev 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next Votes & Answers Question Question Status 0 1 270 Find the number of atoms in the following: (i) 0.5 mole of C atom (ii) 2 mole of N atom By Trisha Dave, 5 years ago replies 1 0 1 661 Find the number of moles in the following: (i) 50 g of H2O (ii) 7 g of Na By Trisha Dave, 5 years ago replies 1 0 1 205 What is formula unit mass? How is it different from molecular mass? By Trisha Dave, 5 years ago replies 1 0 1 683 Write down the formula for: Copper nitrate, calcium sulphate and aluminium hydroxide. By Trisha Dave, 5 years ago replies 1 0 1 187 What is polyatomic ton? Give one example. By Trisha Dave, 5 years ago replies 1 0 1 276 Define valency and give the valency for the following elements: Magnesium, Aluminium, Chlo... By Trisha Dave, 5 years ago replies 1 0 1 939 What is the ratio by mass of combining elements in H2O, CO2 and NH3? By Trisha Dave, 5 years ago replies 1 0 1 148 Give the Latin name for sodium, potassium, gold and mercury. By Trisha Dave, 5 years ago replies 1 0 1 179 What is IUPAC, give its one function? By Trisha Dave, 5 years ago replies 1 0 1 316 Give the unit to measure size of atom and give size of hydrogen atom. By Trisha Dave, 5 years ago replies 1 Page 10 / 15 Prev 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
