When water (h2o) freezes into ice, some of the properties have changed but the of the h2o is the same. a- identity b- energy c- arrangement d- property

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?