atoms, Chemistry

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how did atoms appear

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Determine the operating temperature, An 80°C aqueous solution containing 58...

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What will be de-Broglie wavelength of an electron moving with a velocity of 1.2 x 10 5 ms -1 : (1)  6.068x 10 -9   (2) 3.133 x 10 -37               (3) 6.626x 10 -9

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Explain the Two solids and a solvent - Phase Diagram? The phase diagram in Figure on the next page is for a ternary system of water and two salts with an ion in common. There i

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Which forms a crystal of Nacl: (1)  Nacl  molecules (2) Na + and cl - ions (3)  Na andcl atoms (4) None of the above Ans: Na + and cl - ions

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Electronic configuration of deuterium atom is: (1) 1s 1                    (2) 2s 2                  (3) 2s 1                      (4) 1s 2 Ans: 1s 1

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