Is hydrogen a molecule or compound

Which best describes Alana's error? Alana summarized what happens when a ball sitting on top of a grassy hill rolls down the hill. The motionless ball has potential energy. Once the ball starts to roll down the hill, new kinetic energy is made.

A section of the periodic table is shown below: A portion of two rows of the periodic table is shown. The first row reads two helium 4.003. The second row reads seven nitrogen 14.007, eight oxygen 15.999, nine flourine 18.998, and 10 neon 20.180.

How an air mattress supports the weight of a person lying on it

A fruit fly is classified as a consumer rather than as a producer because it is unable to

Most elements will have the same number as what?

Write the concentration equilibrium constant expression for this reaction. 2cui (s) + i2 (aq) → 2cu+2 (aq) + 4i - (aq)

Chlorine gas has a pressure of 1.05 atm at 25°C. What pressure will it exert at 75°C?

What is the justification required to make an arrest?

Why does the solution turn from yellow to blue?

N two or more complete sentences describe all of van der waals forces that exist between molecules of water