Which of the following statements about minerals is false?

A Minerals have a crystalline structure.

B Humans can create minerals to suit specific needs.

C Minerals are inorganic materials.

D Minerals cannot be liquids or gases.

Why are alkenes considered "unsaturated " a. They contain only single bonds c. They do not form polymers b. They are composed of carbon molecules d. They contain double bonds

The table below gives the numbers of protons, electrons, and neutrons in four atoms. Atom Number of protons Number of electrons Number of neutrons 1 39 39 52 2 40 40 50 3 39 39 54 4 40 40 51 Based on the information that is given, which atom in the

Pure acetic acid has a density of 1.049g / (ml). Calculate the molarity of a solution of acetic acid made by dissolving 20.00 ml in enough water to make 250.0 ml of solution

Among the following, which atom is most likely to form an ion with a charge of 2+? A. O B. AI C. Ca D. Na

Which of the following is not true of a quantity? It is the same thing as a measurement. It is something that has magnitude. One type of quantity is volume. It is something that has size or amount

When water is warm it will: * allow for solids and gases to dissolve easier make it harder for solids and gases to easily dissolve allow for gases to dissolve easier, but make it harder for solids to dissolve allow for solids to dissolve easier, but

If you drink at 2am can you pass a drug test at 6pm

What do we call a substance that can act as both an acid and a base?

Calculate the solubility (in g/l) of silver chromate in water at 25°c if the ksp for ag2cro4 is 1.1 * 10-12. 2.7 * 10-2 g/l 2.2 * 10-2 g/l 3.4 * 10-2 g/l 3.5 * 10-4 g/l

Which equations represent precipitation reactions? More than one can be chosen. A. Na2S + FeBr2 → 2NaBr + FeS B. MgSO4 + CaCl2 → MgCl2 + CaSO4 C. LiOH + NH4I → LiI + NH4OH D. 2NaCl + K2S → Na2S + 2KCl E. AgNO3 + NaCl → AgCl + NaNO3