When an oxygen atom forms an ion, it gains two electrons

What is the electrical charge of the oxygen ion?

A.

-1

B.

-2

C.

+1

D.

+2

On a graph showing distance versus time, a horizontal line represents an object that is? a. moving at a constant speed b. increasing its speed c. decreasing its speed d. not moving at all

Where could you hear a sonic boom

How you can speed up the dissolving process when preparing juice from frozen concentrate

Explain how an increase in temperature might affect glacier size and water salinity

How many types of electrical charges exist?

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades

And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.