The pitcher is throwing a baseball with a mass of 145 grams. Imagine that the same pitcher has to throw a basketball, the same distance. The mass of a basketball is 625 grams. Explain what must happen for the basketball to travel the same distance as the baseball. Include in your explanation the appropriate law of motion.

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.