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प्रश्न
Name the particles which revolve around the nucleus.
उत्तर
Electron.
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संबंधित प्रश्न
Define:- Radicals
Write the names of the elements present in the:-
Sodium hydroxide
Name three non-metals/radicals which have valency -1, -2, and -3.
Who originated the word ‘atom’ ?
Fill in the blank
An excess of electrons produces a ________ charge.
Name the three subatomic particles present in an atom.
Which of the following statement is correct about the atom of an element ?
Match the pairs.
| Group 'A' | Group 'B' |
| a. Proton | i. Negatively charged |
| b. Electron | ii. Neutral |
| c. Neutron | iii. Positively charged |
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
What will be the charge present of the molecule XY after chemical combination?
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
Name the sub-atomic particles.
Draw the structure of an atom and explain the position of the sub-atomic particles.
______ is the smallest particle of an element.
An element is composed of ______ atoms.
The volume occupied by 4.4 g of CO2 at S.T.P ______
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
Atoms of different elements having the same number of ______ are called isotones.
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
