An ___ is a chemical that changes colors when you mix it with an acid or with a base.

Use the words blue, pink, yellow, and clear to fill in the blanks below: Base + bromothymol blue turns _______ , acid + bromothymol blue turns _______ , base + phenolphthalein turns _______ , acid + phenolphthalein turns _______ .

The mass of the green cone is ____ grams. (Enter just a whole number, with no decimal places, such as 200).

When water reaches zero degrees Celsius, it _______ , and at 100 degrees Celsius, water _______ .

Pages 15 – 16 Fill in the blanks: The mass of the sodium atom pictured is _______ . If you know how many protons an atom has, you can figure out how many neutrons it has by _______ the number of protons from the mass. An iodine atom has _______ neutrons. A carbon atom has _______ protons and the same number of electrons. Check your answers to part E. Be sure you understand this; otherwise, ask your instructor: ATOM NAME SYMBOL ATOMIC NUMBER ATOMIC MASS # OF PROTONS # OF ELECTRONS # OF NEUTRONS Carbon   C 6 12 6 6 6 Hydrogen   H 1 1 1 1 0 Oxygen   O 8 16 8 8 8 Nitrogen   N 7 14 7 7 7 Sodium   Na 11 23 11 11 12 Chlorine   Cl 17 35 17 17 18

A dime is about one ___ thick. (Enter just the missing word. Be sure your spelling is correct.)

Gradient is a gradual progression of colors and shades, usually from one color to another color or from one shade to another shade of the same color.  

For the merge to work correctly with a PowerPoint table, you must ensure data is arranged properly and that the table is the only element in the file. 

At any time while using Word, you can find answers to questions and display information about various topics through Word Help. 

A line break character is a formatting mark that indicates a line break at the beginning of the line.