How many bonds are present in HCI?

a) 1
b) 3
c) 4
d) 2

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Type the letter that represents the correct location for each particle type below.