What happens when an electron moves from a high energy level to a lower one?

A. it absorbs light

B. it emits light

C. it disappears

D. it gets bigger

Which phase of the moon occurs when the sun, earth, and moon are aligned in a straight line and the moon is between the earth and the sun?

When is it necessary to draw a multiple bond in a lewis structure?

Rank the following steps involved in preparing a dilute solution from a stock solution in order from first to last. A. Add deionized water until the volume reaches the mark on the flask. B. Add the desired amount of stock solution. C.

Identify the following as True or False? 1. The limiting reactant is the reactant that is completely consumed in a chemical reaction. 2.

What is the molarity of 48.6 g of magnesium (Mg) ions in 2 L H20?

Is lead a mixture or pure substance? and is Paint a mixture or pure substance?

Which of the following is NOT a factor in determining how quickly a solute will dissolve into a solvent? A. temperature B. surface area C. agitation D. vapor pressure

Which state of matter would demonstrate the best ability to flow/pour? explain using the term particles

What is the natural process by which yeast converts sugar into carbon dioxide and alcohol called?

What is the kinetic energy of a 55 kg girl walking at a velocity of 2m/s?