The radius of a magnesium atom is 0.160 nm. The radius of a magnesium ion is 7.2 x 10-11 m.
Explain the difference in size between the magnesium atom and magnesium ion.

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)