Which of the following is the correct chemical symbol for Sodium?

• So

• Na

• S

• Sn

What is the chemical formula for water?

Which element has the symbol "Fe"?

• Fluorine

• Francium

• Iron

• Fermium

What is the correct formula for carbon dioxide?

• CO

Which of the following is a compound?

• H

• NaCl

• Fe

What is the chemical symbol for Potassium?

• Po

• K

• P

• Pt

Which of the following formulas represents ammonia?

Which of the following is NOT a compound?

• NaCl

What is the chemical formula for magnesium chloride?

Which element has the symbol "Ag"?

• Gold

• Silver

• Argon

• Aluminum