What is the total number of sulfur atoms in the formula 5CaSO4?

Solid samples of the element phosphorus can be white, black, or red in color. The variations in color are due to different (1) atomic masses (2) molecular structures (3) ionization energies (4) nuclear charges

When you balance a chemical equation, what are you doing? A. applying the law of conservation of energy B. applying Mendeleev's law C. applying the law of conservation of matter D. applying the periodic law

The name for the compound Cu3 (PO4) 2 (s) is Select one: a. tricopper diphosphate b. copper phosphide c. copper phosphate d. copper (II) phosphide

Why does carbon form many different compounds

What would happen if uranium-241 lost 2 protons and 2 neutrons?

You roll a baseball to your little brother A. Static Friction B. Sliding friction C. Rolling friction

What volume of 18.0 M H2SO4 is needed to contain 2.45 moles of H2SO4?

For an experiment, a biology student makes 1 liter of a solution containing the following substances, which are shown in the table below.

If 1.0 mole of CH4 and 2.0 moles of Cl2 are used in the reaction CH4 + 4Cl2 = > CCl4 + 4HCl then which of these statements is TRUE? A. All of the CH4 will be used up. B. The theoretical yield of CCl4 is 1.0 mole. C. Some Cl2 will be left over. D.

Why do humans primarily form communities? A. To analyze group behavior B. To meet the needs of groups and individuals C. To preserve language and culture D. To make and follow codes of conduct