Nitrogen is a group 15 element. what does being in this group imply about the structure of the nitrogen atom?
a. nitrogen has 15 valence electrons.
b.
nitrogen has 15 neutrons.
c.
nitrogen has 5 valence electrons.
d.
nitrogen has 5 neutrons.

C. Nitrogen has 5 valence electrons.

All under the 15th group has 5 valence shell electrons (which means there are 5 elections in the valence / final shell)

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what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds