Unit 9 Review

What is the chemical symbol for Carbon?

• C

• Ca

• Co

• Cb

What is the chemical symbol for Gold?

• Au

• Ag

• Fe

• Pb

What is the chemical symbol for Iron?

• Fe

• Ir

• In

• Io

What is the chemical symbol for Mercury?

• Hg

• Me

• Mc

• Mr

What is the chemical symbol for Oxygen?

• O

• Ox

• Og

• Oy

What is the chemical symbol for Potassium?

• K

• P

• Pt

• Po

What is the chemical symbol for Sodium?

• Na

• So

• S

• N

Which of the following is TRUE about chemical symbols?

• They always use two capital letters.

• They can consist of one capital letter or a capital letter plus one or two smaller letters.

• They never use letters from the element's name.

• They are always three letters long.

For some elements, the chemical symbol is the first letter of the element's name.

• True

• False

Scientific Shorthand: Scientists have developed their own shorthand for dealing with long, complicated names. Chemical symbols consist of one capital letter or a capital letter plus one or two smaller letters. For some elements, the symbol is the first letter of the element's name. For other elements, the symbol is the first letter of the name plus another letter from its name.

• True

• False