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The position and velocity of a small particle like electron cannot be simultaneously determined." This statement is:
(1) Heisenberg uncertainty principle
(2) Principle of de Broglie's wave nature of electron
(3) Pauli's exclusion principle
(4) Aufbau's principle
Ans: Heisenberg uncertainty principle
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Average life of a radioelement is the characteristics property of the element. Explain
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explain about law of chemical combinations in about 200 words?
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