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प्रश्न
Write true or false for the following statement
The central pad of the atom is called nucleus.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Define the term Atomic number.
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.
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 do you mean by electron transition?
WRITE SHORT ANSWER
What is the charge on a neutron ?
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.
Select the correct answer from the choice in the bracket to complete the sentence:
Magnesium atom with electronic configuration 2, 8, 2 achieves stable electronic configuration by losing two electrons, thereby achieving stable electronic configuration of the nearest noble gas _______.
What is meant by the term subatomic particles?
