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प्रश्न
Give the following a suitable word/phrase.
Protons and neutrons present in the nucleus.
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उत्तर
Term for protons and neutrons present in nucleus is nucleons
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
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.
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 is an atom?
WRITE SHORT ANSWER
What is the charge on a neutron ?
State whether the following statement is true or false :
The anode rays obtained from all the gases consist of positively charged particles called protons.
Define the term Nucleons.
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.
