Which is the correct molar mass for the compound FeSO4? A. 103.85g/mol B. 151.85g/mol C. 415.4g/mol D. 20.180g/mol

How are isotopes of the same chemical element alike? how are they different?

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

Which of the following is true about the speed of light? it depends on the wavelength.