Ms. Reed's Final Exam

What is the ELEMENT SYMBOL for Calcium

• Ca

• Cu

• Cl

• Cm

What is the Element symbol for Sodium

• Na

• S

• Su

• Sd

A one or two letter abbreviation used to represent an element is called a (n) ______

• Chemical reaction

• element symbol

• atomic number

What is the ATOMIC NUMBER FOR SODIUM?

• 11

• 22.990

The temperature at which a substance changes from the solid phase to the liquid phase....

• boiling point

• liquid point

• condensation

• melting point

Periods run

• up and down

• left to right

A period is a

• column

• row

Atoms don't change, they _______

• Add on

• Disappear out of nowhere

• Rearrange

• Rotate

What was produced during the reaction between the iron pipes and the fertilizer?

• Claim 1: During the chemical reaction, ONLY the rust was produced

• No water was produced, the water in Westfield is clean and we did this for nothing :)

• Claim 2: During the chemical reaction, the rust and ANOTHER SUBSTANCE were produced.

What was the 2nd substance contaminating Westfield's water? (It was always there, we just couldn't see it because it had dissolved)

• Sodium

  Nitrate

• Potassium Chromate