Molecules and Compounds Pre-Assessment

When two atoms of the same element are joined together, it is called a:

• Molecule
• Compound
• Polymer
• Alloy

What is it called when two atoms from different elements join together?

• Molecule
• Compound
• Polymer
• Alloy

How are molecules and compounds different?

This is a picture of a:

• Carbon dioxide molecule, which is a compound because it has two different elements chemically combined
• Oxygen atom.
• Carbon atom.
• A poor drawing of Mickey Mouse.

How are molecules and compounds alike?

What kind of bond is formed when atoms share electrons?

• Valent
• Co-valent
• Monomeric
• Polymeric