State whether the following statement is true or false:
Atoms of a given element are identical in mass but different in their chemical properties.
Atoms of a given element are identical in mass but different in their chemical properties.
(FALSE) The statement is False.
According to Dalton's Atomic Theory,atoms of a given element are identical in both mass and chemical properties.
Furthermore,the existence of isotopes (atoms of the same element with different masses but identical chemical properties) contradicts the claim that they differ in chemical properties.
According to Dalton's Atomic Theory,atoms of a given element are identical in both mass and chemical properties.
Furthermore,the existence of isotopes (atoms of the same element with different masses but identical chemical properties) contradicts the claim that they differ in chemical properties.
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View SolutionState whether the following statement is true or false:
In a chemical substance,the elements are always present in varying proportions by mass.
In a chemical substance,the elements are always present in varying proportions by mass.
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View Solution$(a)$ Explain the Bohr$-$Bury rules for the distribution of electrons into different shells.
$(b)$ Draw the electronic structure of element $X$ with atomic number $17$ and element $Y$ with atomic number $16$.
$(b)$ Draw the electronic structure of element $X$ with atomic number $17$ and element $Y$ with atomic number $16$.
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View SolutionAn atom of an element $X$ may be written as ${ }_{4}^{9} X$.
$(a)$ What does the figure $9$ indicate?
$(b)$ How many neutrons does this element $X$ contain?
$(a)$ What does the figure $9$ indicate?
$(b)$ How many neutrons does this element $X$ contain?
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View SolutionWhich of the following in the figure do not represent Bohr's model of an atom correctly?
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