Achemical formula shows the kinds and numbers of in the smallest representative unit of a substance.
a. atoms
b. elements
c. molecules
d. compounds

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o