The following are the basis of naming elements, EXCEPT: * 1 point A. Planets
B. Famous Scientists
C. Attributes of the elements
D. European name of the element

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

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