MEDIUM
9th CBSE
IMPORTANT
Earn 100

How will you explain that the electron is a negatively charged particle?

Important Questions on Structure of Atom

EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 5
Compare the properties of electron, proton and neutron.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 6
What are the limitation of J. J. Thomson model of atom?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 7
The atomic number of oxygen and sulphur are 8 and 16 respectively. What will be the number of electrons in these?
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 8
How do the charges on electron and proton differ?
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 9
The anode rays obtained from hydrogen gas consist of particles called _____.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 10
What is a proton? How does it differ from a neutron?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 11
What are the limitations of Rutherford model of atom?
HARD
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 12
An element may be represented as X1840. Find the number of electrons, protons and neutrons in this atom. Give its electronic configuration.