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प्रश्न
The similarities in the properties of a group of elements are because they have the same ______.
पर्याय
electronic configuration
number of outer electrons
atomic numbers
उत्तर
The similarities in the properties of a group of elements are because they have the same number of outer electrons.
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संबंधित प्रश्न
An element 'M' with electronic configuration (2, 8, 2) combines separately with (NO3)–, (SO4)2– and (PO4)3– radicals. Write the formula of the three compounds so formed. To which group and period of the Modern Periodic Table does the element 'M' belong? Will 'M' form covalent or ionic compounds? Give reason to justify your answer.
Classify the following elements into metals, non-metals and metalliods
As, C, Hg, Mg, S, Si
Use the letters only written in the Periodic Table given below to answer the questions that Follow :
1) State the number of valence electrons in atom J.
2) Which element shown forms ions with a single negative charge?
3)Which metallic element is more reactive than R?
4) Which element has its electrons arranged in four shells?
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Elements in the same period have equal valency
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Where would you locate the element with electronic configuration 2, 8 in the modern periodic table?
Periodicity is observed due to the similar ______.
An element X belong to 4th period and 17th group, state.
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Select the correct answer
Most reactive character among the elements given below is found in
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group and period in the Modern Periodic Table.
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