Which of the following elements has the largest atomic size? S, Ba, Po, Ca

Which of the following is not a classification of matter A. Periods B. Groups C. columns D. families

Was energy made or created

What is the mass of KNO3 should be used to prepare 2.00 L of a 0.700 M solution?

What is the pOH of a solution that has a pH of 4.52?

What energy is defined as the energy of motion

A chemical is placed in a beaker containing 20 g of soil and 500 mL of water. At equilibrium, the chemical is found in the soil ast a concentration of 100 mg. kg-1 of soil.

A solid reactant is placed into a beaker of warm water. The liquid vigorously bubbles as the soild dissolves into the solution. What will most likely happen if the temperature of the liquid is slightly reduced

How does the space between atoms change as agas goes through prase changes to become a soild? how. do they different? use words to describe

What is an endothermic reaction? O A. A reaction that produces heat O B. A reaction that uses radiation waves C. A reaction that absorbs heat O D. A reaction that contains enthalpy

How does the conservation of matter relate to balancing equations?