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प्रश्न
The basic unit of matter is ______.
विकल्प
element
atom
molecule
electron
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उत्तर
The basic unit of matter is atom.
APPEARS IN
संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
ANSWER IN DETAIL
How are isobars different from isotopes ?
Write the names of the elements present in the:-
Ammonia
Fill in the blank:
Atoms are _____
What are orbits or shells ?
Name three non-metals/radicals which have valency -1, -2, and -3.
Define: An Atom:
Fill in the blank
An excess of electrons produces a ________ charge.
What are the building blocks of matter ?
Give scientific reason.
All the mass of an atom is concentrated in the nucleus.
Draw the diagrams representing the atomic structures of the following: Neon
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
The smallest particle of matter that can exist by itself is ______.
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
Define the following term with an example.
Non-metal
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
Does the solubility of a substance change with temperature? Explain with the help of an example.
Lead is also known as plumbum.
