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प्रश्न
Write the names of the elements present in the :-
Sulphuric acid
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उत्तर
Sulphuric acid : Hydrogen, sulphur, oxygen.
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संबंधित प्रश्न
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
WRITE SHORT ANSWER
Name three inert gases.
Write the names of the elements present in the:-
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Write the names of the elements present in the:-
Acetic acid
Define: Ions
Name the particles which revolve around the nucleus.
Define: An Atom:
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
Write the full form of IUPAC.
How many times is a proton heavier than an electron?
Dalton's atomic theory says that atoms are indivisible. Is this statement still valid ? Give reasons for your answer.
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(Atomic masses : Al = 27 u ; Fe = 25 u)
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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 will form positive ion?
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The basic unit of matter is not capable of independent existence.
______ is the smallest particle of an element.
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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
