Which of the following has maximum number of atoms? (a) 18 g of H 2 O (b) 16 g of O 2 (c) 4.4 g of CO 2 (d) 16 g of CH

Building glycogen from glucose molecules is an example of

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

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