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प्रश्न
Write the full form of IUPAC.
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उत्तर
The full form of IUPAC is International Union of Pure and Applied Chemistry.
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संबंधित प्रश्न
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
Define:- Atom
Write the names of the elements present in the :-
Sulphuric acid
Write the names of the elements present in the:-
Glucose
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
What are the building blocks of matter ?
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.
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
The basic unit of matter is ______.
K: Potassium:: C: ______.
Draw the structure of an atom and explain the position of the sub-atomic particles.
An element is composed of ______ atoms.
Which of the following has maximum number of atoms?
A change in the physical state can be brought about
Write any two observations which support the fact that atoms are divisible.
The ______ are combination of atoms of various elements or the same element.
Atoms have a radius of the order ______.
