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Question
State whether the following statement is true or false :
The anode rays obtained from all the gases consist of positively charged particles called protons.
Options
True
False
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Solution
False - anode ray is a beam of positive ions or cations.
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The outermost shell of an atom is known as
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- 1500
- 1800
- 1840
- none of these
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What do you mean by electron transition?
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What is the charge on a neutron ?
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What is the number of neutrons present in a potassium atom ?
Which of the following statement is always correct?
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
