Match the term with its description. (4 points) 1.
Ions

2.
pH

3.
Base

4.
Acid
a.
A compound that increases hydrogen ions (H+) when it is dissolved in a solution
b.
A compound that increases the hydroxide ions (OH−) when it is dissolved in a solution
c.
An atom or molecule that has a positive or negative charge
d.
A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water

How manyatoms of mercury are in 1.4214e+1 ml sample

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.