Which of the following characteristics can be written only in space B? (5 points) a Occurs in substances that have at least one non-metal b Occurs in substances that have a repeating lattice structure c Occurs in substances that have discrete molecular structure d Occurs in substances that have high melting points

20 drops hope this

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

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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