Which statements about calcium metal (Ca) and zinc metal (Zn) are true?

Provide the isotopic symbol for Magnesium.    Note:  the top box is blank 1 and the bottom box is blank 2. _______ _______

The formula for disulfur trioxide gas is:

Which equation represents the dissociation of sodium phosphate, Na3PO4 in water?

A 3.23-g sample of  gas exerts a pressure of 2.33 atm in a 500-mL flask at a temperature of 350. K.  Calculate the molar mass of the gas. Given PV = nRT R = 0.08206 atm · Lmol · K{“version”:”1.1″,”math”:”R = 0.08206 atm · Lmol · K”}

The electron configuration for Titanium (Ti) is:

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 Selenium (Se) is:

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