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प्रश्न
Fill in the blank
An ion with positive charge is called ______
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उत्तर
An ion with positive charge is called cation.
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संबंधित प्रश्न
Define:- Radicals
Name the particle or particles you would expect to find in :
The nucleus of an atom
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What is the atomic mass of the atom ?
What value has been given to the mass of this reference atom ?
Dalton's atomic theory says that atoms are indivisible. Is this statement still valid ? Give reasons for your answer.
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.
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.
Which element will gain electron?
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
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- Subatomic particles
- Nucleus
- Orbits or shells.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of phosphorus
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
Define – Atom.
Name the sub-atomic particles.
Define the following term with an example.
Compound
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
Give the salient features of “Modern atomic theory”.
The ______ are combination of atoms of various elements or the same element.
