In order to occupy the same orbital, two electrons must have

a. the same direction of spin.

b. low energy.

c. opposite charge.

d. opposite spin.

What sex is the person who has the karyotype described in Steps 3-4? How do you know?

Katherine recently had a swimming pool installed in her back yard. Using the water hose, she can put 75 gallons of water into the pool every hour. If the pool can hold 13,500 gallons, how long will it take to fill the pool? A. 120 hours B.

The Minoan civilization existed on the island of Crete, and it was influential in the Mediterranean during the 2000s BCE. In which way can the Phoenicians be described as successors to the Minoans? A. Phoenicia had a powerful, well-trained army. B.

Which of the following terms describes an accumulation of rocky, sandy, or clayey material deposited at the end of a glacier? A. moraine B. loess C. dune D. esker

In a titration how much 0.50 M HCl is needed to neutralize 1 liter of a 0.75 M solution of NaOH? 1.5 L 2.25 L 1.0 L 0.75 L

Which process is a physical change? A. iron rusting B. milk turning to curd C. water boiling D. paper burning E. hard water staining pipes

1. How much calcium oxide would be made by the thermal decomposition of 25 grams of calcium carbonate? CaCO3 - > CaO + CO2 2. How much oxygen gas can be produced through the decomposition of potassium chlorate (KClO3) if 194.

Ethanol contains the elements carbon, hydrogen, and oxygen. When ethanol burns, it chemically reacts with oxygen gas. C2H6O + O2 ethanol oxygen gas What elements will be present in the substances that are created when ethanol burns? A.

What are the errors in the table

What makes gas turn into a liquid?