How do you find the number of valence electrons in one atom of magnesium?

How do thermometers work? A) They take a direct measurement of heat from a given object . B) They indirectly tell you the temperature by having a substance in them that responds to heat. C) They measure the speed of atoms.

What is the kinetic energy of a ball with a mass of 0.06kg moving at 50m/s?

How coal power plants produce electrical energy to power our homes

What is radioactivity

If you were going to invent a new way to power your mobile phone, which type of electromagnetic wave would be most useful to investigate? A. Radio waves, because they are high energy and common. B. Gamma rays, because they are strong and safe. C.

If you have a beam perfectly balanced on a fulcrum and put a weight at the very end of one side, is there a way to know where you should put a heavier object on the other end?

Most of the Earth's volcanoes occuWhen fossils or minerals form, certain unstable elements are sometimes locked into them.

a man is standing on the edge of a 20.0m high cliff. he throws a rock vertically with an initial velocity of 10.0m/s. how high does the rock go?

The slope of a velocity time graph over any interval of time gives the during that interval

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength