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11th Maharashtra Board
IMPORTANT
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Why the elements belonging to the same group have similar chemical properties?

Important Questions on Modern Periodic Table

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11th Maharashtra Board
IMPORTANT
Explain : Electronegativity and electron gain enthalpy. Which of the two can be measured experimentally?
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11th Maharashtra Board
IMPORTANT
Consider the elements B, Al, Mg and K predict the correct order of metallic character.
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11th Maharashtra Board
IMPORTANT
In the modern periodic table, the period number indicates:
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11th Maharashtra Board
IMPORTANT
The lanthanoids are placed in the periodic table at.
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11th Maharashtra Board
IMPORTANT
If the valence shell electronic configuration is ns2 np5, the element will belong to.
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11th Maharashtra Board
IMPORTANT
In which group of elements of the modern periodic table are halogen placed?
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11th Maharashtra Board
IMPORTANT
Which of the atomic number represents the s-block elements?
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11th Maharashtra Board
IMPORTANT
Which of the following pairs is NOT isoelectronic?