The total mass of an atom expressed in atomic mass units is known as the * mass number.
atomic number.
isotopic number.
covalent number.

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

How many moles of oxygen react with 12 moles of aluminum

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g