Elements and Compounds

What is the chemical symbol for Chlorine?

• Cl
• Ch
• Cr
• Ce

Which of the following is a chemical compound?

• Co
•  CO₂
• Mg
• Al

Which element is found in air?

• Neon
• Carbon
• Oxygen
• Hydrogen

Milk is a:

• Element
• Compound
• Solid
• Mixture

Compounds are two or more elements that are chemically bonded together.

• True
• False

Which of these is a compound that is part of the processes shown in the picture?

•  CO₂
• Sunlight
• NaCl
• Oxygen

What is the chemical symbol for Potassium?

• Po
• K
• H
• P

A compound is represented by a:

• Heart
• Atomic Mass
• Atomic Number
• Formula

Which is an element found in your body?

• Takis
• Aluminum
• Calcium
• Neon 

Which is evidence that a chemical change has happened?

• Bending or Breaking
• Nothing happens
• The change can be reversed
• Color Change