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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.
उत्तर
An electron has negative charge, a proton has positive charge, and a neutron has no charge.
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Multiple Choice Questions
The outermost shell of an atom is known as
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
WRITE SHORT ANSWER
What is an atom?
WRITE SHORT ANSWER
Describe a discharge tube.
WRITE SHORT ANSWER
What is the charge on a neutron ?
Name the three fundamental particles of an atom.
