Answer:
The answer is 16
Explanation:
It needs to be hald of the medium so devide the 2 numbers
I believe the correct answer is A. Na(g) — Na+(g) + e-
<span>Continental drift was a theory that explained how continents shift position on Earth's surface. Set forth in 1912 by Alfred Wegener, a geophysicist and meteorologist, continental drift also explained why look-alike animal and plant fossils, and similar rock formations, are found on different continents
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Energy means the strength and vitality for sustained physical or mental activity.
Hope this helps:)
Im going to assume you mean the structural formula of butane, which is C4H10. which mean that it has 4 carbon and 10 hydrogen