Group 18 noble gases are inert because

a. they readily form positive ions.

b. they can have either a positive or a negative charge.

c. their outermost energy level is missing one electron.

d. their outermost energy level is full.

A feather of mass 0.001 kg falls from a height of 2 m under realistic conditions it experiences air resistance based on what you know about friction what can you say about the kinetic energy of the feather as it reaches the ground

When comparing the momentum of two moving objects, which of the following is correct? a. The object with the higher velocity will have less momentum if the masses are equal. b.

Are we dead yet? Because I'm bored

Quincy listed some natural resources in a table. Which best completes the table? A. X: No Y: Natural gas B. X: yes Y: Coal C. X: no Y: wind D. X: yes Y: sunlight

In a sentence, how is speed and motion related?

If you combine 430.0 ml of water at 25.00 °c and 140.0 ml of water at 95.00 °c, what is the final temperature of the mixture? use 1.00 g/ml as the density of water. s

While working out, a man performed 200 j of work in 3 seconds. What was his power?

A funnel-shaped low pressure closure

A rubber rod can be charged negatively when it is rubbed with wool. predict what happens when you rub a copper rod with wool

A copper rod is 0.450 m long. Heat is added to the rod until it expands by 0.00130 m. How much did the temperature change? (Unit=C)