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When α -particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct):
(1) Alpha particles are much heavier than electrons
(2) Alpha particles are positively charged
(3) Most part of the atom is empty space
(4)Alpha particles move with high velocity
Ans: Most part of the atom is empty space
Consider the reaction A → P. The change in concentration of A with time is shown in the given plot: (i) Predict the order of the reaction. (ii) Derive the mathematical expr
what is it?
A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass, in grams, of calcium phosphate will be formed? What will be the concentrati
what are causes of chemical bonding?
factors influencing chemical shift
Uses of glycol
Mechanism of reduction (b)
standard estimation protocol
free energy and spontaeity
Addition polymerization: It involves following three mechanisms: 1. Free radical polymerization 2. Ionic polymerization mechanism 3.
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