D-2 to EOY!

What does the diagram show?

• A mixture of two elements
• A pure compound
• A mixture of two compounds
• A mixture of a compound & element

What does the diagram show?

• A mixture of two elements
• A pure compound
• A mixture of two compounds
• A mixture of a compound & element

What does the diagram show?

• A mixture of two elements
• A pure compound
• A mixture of two compounds
• A mixture of a compound & element

What does the diagram show?

• A mixture of two elements
• A pure compound
• A mixture of two compounds
• A mixture of a compound & element

Which description below is a true statement about the diagram?

• The diagram can be classified as an element and a molecule
• The diagram can be classified as a compound
• The diagram can be classified as a mixture of two compounds
• The diagram can be classified as a mixture of two elements

Classify Sodium Chloride (NaCl) as an element or compound.

• Element
• Compound

Classify Sulfur (S) as an element or compound.

• Element
• Compound

Atoms are composed of

• Nothing, they are the smallest unit

• molecules

• protons neutrons and electrons

• all of the above

An electron has a _______ charge

• positive

• neutral

• negative

• none of the above

What makes up the nucleus of the atom?

• Protons and neutrons

• Protons and electrons

• neutrons and electrions

• electrons