periodic table, Chemistry

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Correct ground state electronic configuration chromium atom, The correct gr...

The correct ground state electronic configuration of chromium atom is: (1) [Ar] 3d 5 4s 1                (2)[Ar]3d 4 4s 2      (3) [AR]3d 6 4s 0                (4

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The high melting point and insolubility, The high melting point and insolub...

The high melting point and insolubility in organic solvents of sulphanilic acid are due to its ...... structure: (1) Simple ionic                                 (2) Bipolar

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The Vermont Wind Assessment Program led by Vermont Tech has measured the wind velocity at 25 locations in the state of Vermont in 2005 and 2006 . The results are provided in the

The electronic configuration of gadolinium (atomic no. 64), The electronic ...

The electronic configuration of gadolinium (atomic no. 64) is: (1)  [Xe]4s 8 5d 9 6s 2                           (2) [Xe] 4s 1 5d 1 6s 2             (3) [Xe]4s 3 5d

Calculate the evaporator pressure and rate of heat, A liquid stream contain...

A liquid stream containing half n-hexane and half n-pentane at 80°C and 5 atm is fed at a rate of 100 mol/hr to a flash evaporator operating at pressure (P) and 65°C. The decrease

Kmno4, Why the kmno4 is colored.?

Why the kmno4 is colored.?

Atomic structure-electrons and nuclei, Electrons and nuclei   The fami...

Electrons and nuclei   The familiar planetary model of the atom was proposed by Rutherford in 1912 following experiments by Geiger and Marsden showing that all the mass of an

Element group 13, What are the basic physical and chemical properties of th...

What are the basic physical and chemical properties of this group

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