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The transition elements are more metallic than the representative elements because they have:
Chloride of an element A gave a neutral solution in water. In the periodic table the element A belongs to
Which of the following statement is correct with respect to the property of elements with increase in atomic number in carbon family.
The correct order of second ionization potential of carbon, nitrogen, oxygen and fluorine is
The electronic configuration of the element which is just above the element with atomic 43 in the same group is ____________.
Generally the ionization enthalpy in a period increase but there are some exceptions. The one which is not an exception is-
Sodium generally does not show oxidation state of +2, because of its:
the electronegativity of the following elements increases in the order
What are the combining ratios of elements in group l with elements in group VII of the periodic table ?
The First ionisation enthalpies of Na,Mg,Al and Si are in the order
Which of the following is smallest in size?
For electron affinity of halogens, which of the following is correct?
Which one of the elements has highest ionisation energy?
Which of the following has the highest electron affinity?
Which of has the largest size?