In a hydrogen atom, what color is the emission line observed when electrons drop from the fifth to the second energy level?

Ice cream in a bowl with whipped cream and sprinkles is best describe as

When potassium forms a compound with iodine one electron is transferred from the?

It is winter where jenna lives. Its been snowing all day, but now the snow has changed to sleet and then to freezing rain. What is happening to cause these changes?

What is the difference between polar molecules and ionci compound

Where does air enter the body? A. nose B. mouth C. nose and mouth D. neither nose nor mouth

Which statement best illustrates why carbon is so important to living things? a. Carbon occurs as a solid, a liquid, and a gas. b. Carbon is found in both the living and nonliving worlds. c. Carbon is stored in large quantities in fossil fuels. d.

How do astronomers explain the formation of the milky way galaxy

1 What characteristic of an element determines how its atoms can bond with other atoms?

The law of conservation of mass states that during a chemical reaction, total mass is

What information is needed to write a correct chemical formula to represent an ionic compound?