Answer:
There's a separate chemical reaction happening at the positive electrode, where incoming electrons recombine with ions taken out of the electrolyte, so completing the circuit. The electrons and ions flow because of the chemical reactions happening inside the battery—usually two of them going on simultaneously.
Explanation:
option (B) is right
Answer:
it will gain electrons to fill its outer shell
Explanation:
This element is boron which has 5 electrons.
Answer:
B. Na and Li
Both are group I elements.
This was because the experiment showed that a substance could emit radiation even while it was not exposed to light.
The solute is the part of the solution that dissolves in the second component (usually a fluid). Therefore, for the mentioned solution, the solute is ehyl alcohol since it is the one dissolving in water.
As for the solvent, it is the component in which the solute dissolves. In this case, it is water.