Class 10SciencePeriodic Classification of ElementsMix Examples - Periodic Classification of Elements
EasyState the Modern Periodic Law.
(N/A) The Modern Periodic Law states that the physical and chemical properties of elements are a periodic function of their atomic numbers.
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Similar Questions
''Elements in Periodic Table show periodicity of properties.'' List any four such properties.
Easy
View SolutionThe elements $A, B, C, D$ and $E$ have atomic numbers $9, 11, 17, 12$ and $13$ respectively. Which pair of elements belong to the same group?
Medium
View SolutionWhich of the following gives the correct increasing order of the atomic radii of $O$,$F$ and $N$?
Medium
View Solution$(a)$ Predict which of the following will form anions and which will form cations:
$(i)$ $Na$ $(ii)$ $Al$ $(iii)$ $Cl$ $(iv)$ $O$
$(b)$ Name two elements that are inert.
$(i)$ $Na$ $(ii)$ $Al$ $(iii)$ $Cl$ $(iv)$ $O$
$(b)$ Name two elements that are inert.
Medium
View SolutionIn Mendeleev's Periodic Table,gaps were left for elements to be discovered later. Which of the following elements found a place in the periodic table later?
Easy
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