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प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
विकल्प
True
False
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उत्तर
false
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संबंधित प्रश्न
Give the following a suitable word/phrase.
Protons and neutrons present in the nucleus.
Mention briefly the salient features of Dalton’s atomic theory (five points)
What are the two main parts of which an atom is made of?
FILL IN THE BLANK
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
WRITE SHORT ANSWER
What is the number of neutrons present in a potassium atom ?
State whether the following statement is true or false :
The anode rays obtained from all the gases consist of positively charged particles called protons.
Compare an electron and a proton in respect of mass and charge.
Name the sub-atomic particle whose charge is 0.
State its one drawback of Rutherford’s atomic model.
