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electrons

Bohr’s model of an atom

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 10 Comments

bohr model

Question 1 Describe Bohr's model of an atom? Question 2 How did Neil Bohr's explain the stability of atom? Question 3 Why is an atom neutral inspite of the presence of charged particle in it? Bohr's Model Of An Atom 1)An atom is made up of three particles:electrons,protons and neutrons.Electrons have negative charge,protons have positive charge whereas neutrons have … [Read more...] about Bohr’s model of an atom

Discovery of Proton

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 1 Comment

Question 1 Name the positively charged particles present in the atoms of all elements? Question 2 What is a proton? Question 3 State relative mass and charge of a proton? Question 4 Name the scientist who discovered proton? Question 5 Name the gas which produces anode rays consisting of proton in the discharge tube experiment? Question 6 How does a proton differ … [Read more...] about Discovery of Proton

Structure of an atom

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 1 Comment

Question 1 Name the building blocks of matter? Question 2 Name the subatomic particles in atoms? Question 3 Give an example to show that there are charged particle in matter? Structure of an atom Atoms and molecules are the building blocks of matter. Atoms are made up of three subatomic particles:electrons,protons,neutrons. Electrons are negatively … [Read more...] about Structure of an atom

Ions

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 2 Comments

Question 1 What are ions? Question 2 How an ion is formed? Question 3 How a cation is formed.Give example? Question 4 How an anion is formed.Give example? Question 5 What are simple ions.Give example? Question 6 What are complex ions.Give example? Question 7 What are ionic compounds? Question 8 Define formula unit of an ionic compound? Question 9 … [Read more...] about Ions

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