Classification of Elements and Periodicity in Properties questions
826 published questions with worked solutions.
- The correct order of increasing atomic radii is [AMU 2003]
- Statement 1 (Assertion): OF_2 is named as oxygen difluoride. Statement 2 (Reason): In OF_2, oxygen is less electronegative than...
- Statement 1 (Assertion): The ionization energy of gallium remains nearly the same as that of aluminium. Statement 2 (Reason):...
- Which of the following elements is a metalloid?
- Be and Al exhibit many properties which are similar, but the two elements differ in:
- Al and Ga have the same covalent radii because of:
- The first I.P. of Al is smaller than that of Mg because:
- The metallic character of the elements of the IV A group (group 14):
- Metalloid among the following is:
- Highest electronegativity among the following is for:
- The atomic number of the element having the condensed electronic configuration [Rn] 5f^ 14 6d^ 10 7s^2 7p^2 is _________.
- The number of metalloid elements in group 14 is _________.
- Of the elements Sr, Zr, Mo, Cd and Sb, all of which are in period V, the paramagnetics are:
- Which gains electrons more easily?
- An important characteristic property of metals is:
- Which of the following is a metal?
- An element belongs to group 15 and the third period of the periodic table. Its electronic configuration will be [WB-JEE 2011]
- The correct order of electron affinities of the halogens is [Indraprastha CET 2009, CG PET 2009]
- In the halogen group, which element has the highest electron affinity?
- Which one of the following represents a noble gas configuration? [BCECE 2007]
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration