Answer:
The structure of the CO32– ion can be described in the Lewis formulation by these structures below. This means that a) two carbon-to-oxygen bonds are single bonds; the third is a double bond.
The answer is C.) Electron.
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Explanation:
From the question it can be infered that initially only parent atoms were present in the rock and no daughter atom. So, initially there was only uranium atom and no lead atom. So, in total there were 500+1500= 2000 uranium atom. And no lead tom was there.
<span>The best answer among
the choices is the first option. The chemical property of soda is that it is a
highly basic substance. It's chemical name is sodium carbonate. It is more
basic than sodium bicarbonate. Adding soda ash in a solution would increase the
pH of the solution.</span>