[6] That family of elements that is highly nonreactive is called the _____.

A )alkaline earth family

B )transition metals

C )alkali metal family

D )rare gas family

[7] The role of a catalyst is to _____.

A )speed up a chemical reaction

B )slow down a chemical reaction

C )act as a reactant in a chemical reaction

D )serve as a product in a chemical reaction

[8] Ocean water has a pH around 8.2. Identify the correct statement.

A )Ocean water is neither acidic nor basic.

B )Ocean water is slightly acidic.

C )Ocean water is slightly basic.

D )Ocean water has a neutral pH.

[9] During an _____ reaction, _____.

A )exothermic; energy is released

B )endothermic; energy is absorbed

C )both are correct

D )both are incorrect

[10] Elements in the same period on the Periodic Table will have the _____.

A )same number of electrons in their outermost energy levels

B )same number of protons in their outermost energy levels

C )increasing number of protons as they move across the the period

D )decreasing number of protons as they move across the period