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प्रश्न
Fill in the blank
A charged particle is called an _____
उत्तर
A charged particle is called an ion
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संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
TRUE \ FALSE
Neils Bohr gave the theory to explain the arrangement of protons in an atom.
Define:- Molecule
Fill in the blank:
Atoms are _____
Fill in the blank
An ion with positive charge is called ______
Define: Relative atomic mass
Who originated the word ‘atom’ ?
State Dalton’s atomic theory.
How did Neils Bohr visualise the atom ?
Fill in the blank
If an atom gains an electron, it is called an _______
Fill in the blank
An excess of electrons produces a ________ charge.
Calculate the number of moles in 12.044 × 1025 atoms of phosphorus.
Give brief information of three subatomic particles with reference to electrical charge, mass and location.
Draw the electron dot structure of this compound.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
An atom of an element has no electron. Will that atom have any mass or not? Can an atom exist without electron? If so then give example.
______ is the smallest particle of an element.
In the nucleus of `""_20"Ca"^40`, there are ______
Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
