Forum Forums Class 9 Science Atoms and Molecules Notifications Clear all Atoms and Molecules Page 9 / 15 Prev 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next Votes & Answers Question Question Status 0 1 905 Explain the difference between 2O, O2 and O3. By Trisha Dave, 4 years ago replies 1 0 1 2020 Give the atomicity of the following compounds: (a) Ca(OH)2 (b) Mg(HCO3)2 (c) Cu2O (d) H2SO... By Trisha Dave, 4 years ago replies 1 0 1 750 Write down the chemical formula for the following compounds: (a) Aluminium carbonate (b) C... By Trisha Dave, 4 years ago replies 1 1 1 152 The ratio by mass for hydrogen and oxygen in water is given as 1 : 8 respectively. Calcula... By Trisha Dave, 4 years ago replies 1 0 1 520 Calculate the formula unit mass of NaCl and CaCl2. (Na = 23, Cl = 35.5, Ca = 40) By Trisha Dave, 4 years ago replies 1 0 1 176 State 3 points of difference between an atom and an ion. By Trisha Dave, 4 years ago replies 1 0 1 360 The formula of carbon dioxide is CO2. What information do you get from this formula? By Trisha Dave, 4 years ago replies 1 0 1 167 Explain relative atomic mass and relative molecular mass. By Trisha Dave, 4 years ago replies 1 0 1 329 What are the rules for writing the symbol of an element? By Trisha Dave, 4 years ago replies 1 0 1 588 Find the mass of the following: (i) 6.022 x 1023 number of O2 molecules (ii) 1.5 mole of C... By Trisha Dave, 4 years ago replies 1 Page 9 / 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
