A graduated cylinder contains 20.0 mL of water. An irregularly shaped object is placed in the cylinder, and the water level rises to the 31.2-mL mark. If the object has a mass of 98.4 g, what is its density? A. 3.15 g/mL B. 8.79 g/mL
C. 4.92 g/mL D. 0.114 g/mL

The electron configurations of two different atoms are shown below. each yellow electron has a charge of 1−, and the net charge of each nucleus is shown. these atoms will combine with bond. a. an ionic b. a positive c. a negative d. a covalent plzzz mee with !

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

When would a bouncy ball have the most potential energy