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Q. Early Theories of Matter? In ancient Greece philosophers discussed the nature of matter. The philosopher Democritus held that matter was composed of elementary particles cal
Q. Rehydration tests for the dried sample? • gain knowledge about the sensory changes that take place during the dehydration of the samples, and • learn about the effectiv
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
how many solid state are there?
energy of electron in hydrogen atom
how ti find numbeer of neutrons in dipositive zinc ion with mass number 70?
Consult the inside front cover of the text for a list of common functional groups. (a) nitrile (b) ether
hitorff method
The magnetic quantum number for valency electrons of sodium is: (1) 3 (2) 2 (3) 1 (4) 0 Ans: 0
definition for entropy?
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