atom, Chemistry

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two reasons why is it necessary to ionise chromium atomsin a sample

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Energy required to excite the electron in a hydrogen atom, The ionization e...

The ionization energy of hydrogen atom is -13.6eV.  The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co

LATIMER, WHAT IS THE FEROST DIAGRAM

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Explain the Gibbs Phase Rule for Multicomponent Systems? The Gibbs phase rule for a pure substance was written F = 3 - P. We now consider a system of more than one substance an

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give one chemical test to distinguish the following pairs of compound ethyl nitrile and nitroetane;benzamide and p-aminobenzonic acid

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Which compound is highest covalent: (1) LiCl                                                 (2) FiF                          (3) LiBr              (4) LiI Ans: LiI

The electronic configuration of an element with atomic no., Which of the fo...

Which of the following represents the electronic configuration of an element with atomic number 17: (1) 1s 2, 2s 2 , 2p 6 , 3s 1, 3p 6                (2) 1s 2 , 2s 2 , 2p

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Manufacture of cement Cement is a composite mixture of calcium silicates & calcium aluminates which is a popular material used for construction. 1) Raw materials : Raw material

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Q. What are the De Broglies waves? Bohr anticipated that hydrogen's single electron could orbit at only specific distances from the atom's nucleus. When the electron is in the

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