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WorksheetsStructure of atom 1
Total questions: 12
Worksheet time: 10mins
Who discovered electron?
Chadwick
JJ Thomson
John Dalton
Rutherford
Who shows the existence of protons in the atoms?
Chadwick
Rutherford
Goldstein
Bohr
The atoms of (a) elements differ in the number of electrons, protons and neutrons.
Electrons are (a) the nucleus
The atoms of (a) elements differ in the number of electrons, protons and neutrons.
Name the central part of an atom where protons and neutrons are held together.
Proton
Neutron
Electron
Nucleus
Cathode rays are a beam of fast moving
(a)
The subatomic particle not present in hydrogen atom is (a) .
What is the charge of an atom
Positive
Neutral
Negative
Positive or negative
The anode rays obtained from hydrogen gas consists of particles called (a) .
Protons and neutrons taken together are known as (a) .
Alpha particle is (a) charged particle.
