'Elements in Periodic Table show periodicity of properties'. List any such four properties.
Important Questions on Periodic Classification of Elements
The elements Be, Mg, and Ca each having two electrons in their outermost shell are in periods 2, 3. and 4 respectively of the Modern Periodic Table. Answer the following giving justification.
Write the group to which these elements belong.
The elements Be, Mg, and Ca each having two electrons in their outermost shell are in periods 2, 3. and 4 respectively of the Modern Periodic Table. Answer the following giving justification.
Name the least reactive element.
The elements Be, Mg, and Ca each having two electrons in their outermost shell are in periods 2, 3. and 4 respectively of the Modern Periodic Table. Answer the following giving justification.
Name the element having large atomic radius.
Elements have been arranged in the following sequence on the basis of their increasing atomic masses.
F, Na, Mg, Al, Si, P, S, Cl, Ar, K.
Pick two sets of elements which have similar properties.
Elements have been arranged in the following sequence on the basis of their increasing atomic masses.
The given sequence represents which law of classification of elements?
