This is the basis of the chemical standard for the quantity of a mole. A. oxygen-16 B. carbon-12 C. hydrogen-1 D. helium-2

The periodic table is an organized arrangement of the elements with each element specifically placed in position. All of the following are true except (My answer: B) Correct? metals tend to form cations and nonmetals tend to form anions.

What is the pH of a 2.1 M solution of HClO4?

Indicate which of the following statements is FALSE. a. Covalent bonds connect nucleotides in a strand; noncovalent interactions hold strands into a double-stranded structure. b.

Which statement explains how the bands in the crystal of a metal are like atomic orbitals? They both have localized electrons that orbit specific atoms. They both involve ionization of some atoms so bonding can occur.

Which formula represents a mixture

Type in he correct values to correctly represent the valence electron configuration of oxygen

What stressors will affect the value for Keq according to Le Chatelier's principle? A. increasing the concentration B. decreasing the concentration C. decreasing the pressure D. increasing the temperature

N aqueous solution of sodium hydroxide is standardized by titration with a 0.154 m solution of hydrochloric acid. if 17.5 ml of base are required to neutralize 17.6 ml of the acid, what is the molarity of the sodium hydroxide solution?

How large a volume is need to contain 21 grams of silver? (info: density of silver is 10.5)

How could Cl change to gain stability? lose 7 electrons gain one electron