Atomic Structure
An atom of an element has 11 protons, 11 electrons, and 12 neutrons. The atomic mass of the atom is:
DoubtBuddy
Single Choice
The definitive experiments with cathode-ray tubes were done by ______ in 1879.
AMichael Faraday
BWilliam Crookes
Correct Answer
CWilliam Whewell
DJohannes Hittorf
Solution
The definitive experiments with cathode-ray tubes were done by William Crookes in 1879.
Hence the correct option is B.
SIMILAR QUESTIONS
Atomic Structure
A neutral atom of an element has a nucleus with nuclear charge $$11$$ times and mass $$23$$ times that of hydrogen. Find the ratio of no. of electrons to protons present in its stable ion.
Atomic Structure
What is a proton? How does it differ from a neutron?
Atomic Structure
Which is correct statement about proton?
Atomic Structure
A neutral atom of an element has a nucleus with nuclear charge $$11$$ times and mass $$23$$ times that of hydrogen. Find the ratio of no. of electrons to protons present in its stable ion.
Atomic Structure
Proton is:
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