The noble gases include helium, neon, argon, and xenon. What do their electron configurations have in common?

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder