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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
A 4.00-g sample of iodine was reacted completely with excess bromine. The mass of the compound formed was 11.56-g. Determine the empirical formula.
electrode system
which compounds will dissolve in alkaline solution after it has undergone reaction with hinsberg reagent
i need help reading this IR chart to figure out what the compound is
NaCl
can u tell me what happens with ionic compounds when heat is given??
How do you mean by chemistry?
explain diffusion
Scale and sludge formation in boiler
Formic acid is a weak acid along with a pKa of 3.75. The name comes by the Latin term "formica" ("ant") since this is very plentiful into the secretions of several species of ants,
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