Rutherford, Geiger and Marsden's experiment proved that every atom has a nucleus and that this nucleus is of positive charge and contains the most of the mass of the atom. 0.005% of the volume occupied by the electrons is the volume of the nucleus.
Answer:
They can be dated using radioactive carbon. But for rocks older than 50 thousand years they look for layers of igneous rock or volcanic ash above and Bellow the layer of rock/fossil.
Answer:
the first on is Chromium(VI) peroxide or chromium oxide peroxide
the second on it Hydrogen Carbonate
Explanation:
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Answer : The correct option is (B).
Explanation :
Isomer : It is defined as a molecule have the same molecular or chemical formula but the different chemical structure or shape.
The given compound has 4 carbon atoms and also saturated compound because there is no double or triple bond present.
As we know that there are two structural isomers of butane.
(1) n-butane
(2) iso-butane
Thus, the correct option is (B).