455 in. converted to yd. to the proper number of significant figures is: Given 1 ft = 12 in 1 yd. = 3 ft. 1 mi. = 5280 ft

The name of NH4I is:

The electron configuration for Titanium (Ti) is:

The electron configuration for Selenium (Se) is:

The density of melted caramel is 1.35 g/cm3.  What is the mass in grams, of 0.552 L? Given 1 mL = 1 cm3

The name of NiCO3 is:

Select the correct formulas and corresponding names of acids.

The charge of the tin cation in SnS is:

Given the geometric structure for ammonia gas (NH3), select the correct statements:

Select the correct statements regarding acids, bases, and the pH scale.