What is the charge of the nucleus of an oxygen atom?
A) 0 B) -2 C) +8 D) +16

The correct answer is C. If you look up oxygen on the Periodic Table you will see that its atomic number is 8. That is the number of protons in the nucleus. That is the nuclear charge, +8.

Explanation:

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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

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.