EASY
9th CBSE
IMPORTANT
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Cathode rays consist of negatively charged particles called .

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Important Questions on Structure of Atom

EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
The electrons are _____ charged particles. (Neutral / negatively / positively)
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
The e/m ratio of an electron is _____ (same/different) for all types of substances.
 
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
The mass of a proton is _____ times than the mass of an electron. (1000/2000)
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
The charge on a proton is 1.602×10-19_____
 
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
The anode rays produced from hydrogen in a discharge tube consist of _____. (protons/electrons/ neutrons)
 
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
The size of the nucleus is _____ (larger/ smaller) than the size of the atom.
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
Most of the space in an atom is occupied by _____ which have negligible mass.
 
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 4 - Structure of Atom>Problems for Proficiency>Q 15
The positively charged central part of the atom is called _____.