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प्रश्न
The smaller particles found in the atom is called ______.
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उत्तर
he smaller particles found in the atom is called sub-atomic particels.
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संबंधित प्रश्न
Tick the most appropriate answer.
Who discovered that radioactive rays are given out by uranium?
- Henri Becquerel
- Marie Curie
- Pierre Curie
- Schmidt
Write the names of the elements present in the:-
Acetic acid
Define: Ions
Give the charge and the mass of an electron, proton and neutron present in an atom ?
Name three non-metals/radicals which have valency -1, -2, and -3.
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
Fill in the blank
A charged particle is called an _____
State two observations which show that atom is not indivisible.
One nm is equal to :
Which has more atoms, 50 g of aluminium or 50 g of iron ? Illustrate your answer with the help of calculations.
(Atomic masses : Al = 27 u ; Fe = 25 u)
Give brief information of three subatomic particles with reference to electrical charge, mass and location.
Define the following term:
Atom
A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
With reference to the radical –
- ammonium
- bisulphate
- carbonate
state the group of atoms present in each radical.
An element is composed of ______ atoms.
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
In the nucleus of `""_20"Ca"^40`, there are ______
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
