18. Which of the following chemical formulas contains the most total atoms? +
ОА. Со
O B. H20
O C. Fe203
O D. C3H8

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?

What is the most important factor in determining climates.

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2