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Rutherford's α particle scattering experiment proved that atom has:
(1) Electrons
(2 )Neutron
(3) Nucleus
(4 )Orbitals
Ans: Nucleus
What are molecular orbitals? How are they formed? What does molecular orbital theory states? what is the significance of molecular orbital theory? Ans) Molecular orbitals are for
out of Kr and Rb+ ,which has greater size and why?
the method used for concentration of tin stone is
why ionisation energy of aluminium is greater then Ga?
potassium sulphate +copper sulphate = ---
may i know the number of organic compounds
WHAT ARE SOLUBILITY?
Electrovalent bond formation depends on: (1) Ionization energy (2) Electron affinity (3) Lattice energy (4) All the three above Ans: All the three above
Write down the chemical equations for the total burning of propane and butane gas in air. Show whether the substances are liquid (l), gaseous (g), or solid (s) under
What is the Bond Order of Li(2)(minus) anion molecule? Ans) No. of bonding elecrtons =3 (valence), anti bonding =0 (given its state) thus =bond order =3/2=1.2
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