Which compound has both ionic and covalent bonds?
(1) co2 (3) nai
(2) ch3oh (4) na2co3

What are the concentrations of hydroxide and hydronium ions in a solution with a ph of 10.2?

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy