According to the model, at which time in the northern hemisphere is Earth's north pole tilted toward the Sun?
A. Winter solstice
B. Summer solstice
C. Spring equinox
D. Fall equinox

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.

that's it!

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~ trueboss72

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