10. How many electrons are shown in argon

If sodium sulfate was added to the mixture containing silver ions and the yellow precipitate, what might be observed after a significant amount of time elapsed?

The two most abundant elements in ocean water, besides hydrogen and oxygen, are A) salt and sodium. B) salt and chlorine. C) sodium and calcium. D) sodium and chlorine.

Most of the mass of an atom can be found in the a. nucleus. b. atomic zone. c. electron shells. d. electron cloud.

The volume of a sample of water is 2.5 milliliters (mL). The volume of this sample in liters (L) is A.) 2.5 x 10^-3 L B.) 2.5 x 10^-2 L C.) 2.5 x 10^2 L D.) 2.5 x 10^3 L

If I have 3.87 x 10^22 grains of rice, do I have more than a mole or less than a mole?

Which of the following substances is NOT an alloy? a. Brass b. Bronze c. Stainless steel d. Tin

Relate the statement:"you cant get something for nothing" to the law of the conservation of mass

Which compound is sometimes found in fire extinguishers

The volume coefficient of thermal expansion for gasoline is 950 * 10-6 K-1. By how many cubic centimeters does the volume of 1.00 L of gasoline change when the temperature rises from 30°C to 50°C?

An element's most stable ion forms an ionic compound with bromine, having the formula XBr. If the ion of element X has a mass number of 85 and has 36 electrons, what is the identity of the element?