gram atomic mass

Atomic and Molecular mass

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 5 Comments

As an atom is so small a particle that it cannot be seen or isolated ,therefore it is impossible to determine the actual mass of a single atom by weighing it. The problem was finally solved by Avogadro's hypothesis.If equal volumes of two different gases are taken under similar conditions of temperature and pressure and then weighted, the ratio of their masses will be equal … [Read more...] about Atomic and Molecular mass

Valency of ion

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal Leave a Comment

Question 1 Define the term valency? Question 2 What are monovalent ion.Give example? Question 3 What are divalent ion.Give example? Question 4 What are trivalent ion.Give example? Question 5 What do you mean by chemical formulae of a compound? Question 6 What are the steps to write chemical formulae of a compound? Question 7 What is gram atomic … [Read more...] about Valency of ion