Water is formed when two hydrogen atoms bond to an oxygen atom. The hydrogen and the oxygen in this example are different A) complexes. B) compounds. C) elements. D) mixtures.

During which transition are molecules moving farther apart? A. Water boils B. Rain turns to snow. C. Steam forms water droplets. D. Water falls over a cliff.

How can people protect themselves from hazardous weather?

If a balloon is filled with 20 cc of air at 25 c what will its volume be at 0

Which element is a nonmetal A aluminum B gold C carbon D tin

1. Classify calcium: a. S = homogeneous mixture/solution b. E = element c. C = compound d. HE = heterogeneous mixture 2. Classify pizza: a. HE = heterogeneous mixture b. E = element c. C = compound d. S = homogeneous mixture/solution 3.

In any ordinary chemical reaction, matter is neither created nor destroyed; it is simply changed from one chemical substance to another. This principle is called the Law of:

Which of the following shows no reaction with acid? A. copper B. copper carbonate C. magnesium carbonate D. magnesium

Describe what happens to salt when it dissolves in water.

The functional group, - CHO, is characteristic of an: ketone aldehyde organic acid

In the experiment, you added water to the reaction vessel after the reaction was complete, but we did not discuss why. Based on what happened after adding the water, which of the following is the reason for the addition of water? A.