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प्रश्न
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
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उत्तर
An electron has negative charge, a proton has positive charge, and a neutron has no charge.
APPEARS IN
संबंधित प्रश्न
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
FILL IN THE BLANK
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
Tick the most appropriate answer.
In 1908, R A Millikan found the charge of an electron to be
- 1.6 x 10-19 C
- 1.6 x 10-15 C
- 1.4 x 10-19 C
- 1.6 x 19-16 C.
WRITE SHORT ANSWER
What do you mean by electron transition?
Name the negatively charged particle present in the atoms of all the elements.
Compare an electron and a proton in respect of mass and charge.
Compare a proton and a neutron in respect of mass and charge.
Which of the following statement is always correct?
If an atom ‘A’ has an atomic number of eleven, state the number of protons and electrons it contains.
