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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............................
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.
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.
WRITE SHORT ANSWER
Describe a discharge tube.
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 Valence shell.
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.
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.
`""_1"H"^1`, `""_0"n"^1`,`""_(-1)"e"^0`
