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प्रश्न
K: Potassium:: C: ______.
उत्तर
K: Potassium:: C: Carbon.
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संबंधित प्रश्न
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
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Write the names of the elements present in the following compound.
Common salt
Give the charge and the mass of an electron, proton and neutron present in an atom ?
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4. fourth shell
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What is the atomic mass of the atom ?
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Fill in the blank
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Write the full form of IUPAC.
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Find the mass of 2 moles of nitrogen atoms.
The electron shell ______ is nearest to the nucleus.
What is the contribution of the following in atomic structure?
Maharshi Kanada
Select the correct answer to the statement given below:
The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
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You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
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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
The most abundant type of atom is the universe is ______.
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The first scientific theory about atoms was given by J J. Thomson.
