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Description
A 200g golf ball is moving with a speed of 5 m per hour. The associated wave length (h = 6.625 x 10 -34 J sec)is: (1) 10- 1 0 m (2) 10 -20 m
Indicate the nature of bonding in CCl 4 and CaH 2 : (1) Covalent in Ccl 4 and electrovalent in Cah 2 (2) Electrovalent in both CCl and CaH 2 (3) Covalent in bot
If the value of azimuthal quantum number is 3, the possible values of magnetic quantum number would be: (1) 0, 1, 2, 3 (2) 0, - 1, - 2, - 3 (3) 0 ± 1± 2,± 3
IUPAC system of nomenclature of complex compounds The naming of any organic compound relies on the name of normal parent hydrocarbon from that it has been derived. IUPAC system
'Cohesive energy' : In a chemical bond, it is the energy needed to dissociate a solid into isolated atoms or molecules as appropriate.
An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively: (1) 3 and 5 (2) 3 and 7 (3) 3 and 9
Properties of Styrene Styrene is a colourless liquid, boiling point 145°C. On keeping, it slowly changes into a solid polymer known as meta styrene. The polymerisation is fast
what would be the structure of SiS2 edge sharing linking polyhedra?
What are the basic physical and chemical properties of this group
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