How is alchemy different from modern chemistry?

Alchemy is generally seen as an archaic proto-science based on superstition that is of little interest to the modern chemist. ... In Western alchemy, perfection is achieved through the action of the Philosophers Stone. Alchemists believed that it could turn any substance into gold, prolong life and cure illness

Explanation:

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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what are the statements