Which of the following bond types is normally the weakest?
a. covalent
b. ionic
c. metallic
d. they are all equally strong or weak

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

Connect the whole numbers on the periodic table to indicate what they represent?

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.