7.Science.U01.L22.L23.Molecules

Molecules

By the end of this lesson you will be able to...

• identify the number of elements and atoms in a molecules.

• identify molecules based on their chemical formals.

Molecules

• Compounds - are substances made of two or more elements.

• A molecule is a single particle of a compound. It is made of two or more atoms bonded together.

Multiple Choice

Contains only one kind of atom.

Directions: click the image to the left to enlarge it.

• Element

• Mixture

• Compound

Multiple Choice

Contains two or more atoms combined.

Directions: click the image to the left to make it bigger.

• Elements

• Mixtures

• Compounds

Multiple Choice

The air that we breath is a ____.

Directions: click the image to the left to make it bigger.

• Element

• Compound

• Mixture

• Energy

Multiple Choice

Elements can be broken down into simpler substances.

Directions: click the image to the left to make it bigger.

• False

• Sometimes

• True

Multiple Choice

The image to the left is a picture of milk and gasoline molecules. These are examples of...

• Elements

• Compounds

• Mixtures

Multiple Choice

Carbon (C) and Uranium (U) are examples of...

• Elements

• Compounds

• Mixtures

Multiple Choice

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element

• Compound

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify each diagram below as an element, compound, or mixture.

Directions: click on the image to make it bigger.

• Element

• Compound

• Mixture

Multiple Choice

Classify the picture with the correct label.

Directions: click the image to the left to make it bigger.

• Element

• Mixture of Elements

• Compound

• Mixture of Compounds

Multiple Choice

Classify the picture with the correct label.

Directions: click the image to the left to make it bigger.

• Element

• Mixture of Elements and Compounds

• Compound

• Mixture of Elements.

Multiple Choice

Classify the picture with the correct label

Directions: click the image to the left to make it bigger.

• Element

• Mixture of Elements and Compounds

• Compound

• Mixture of Compounds

Multiple Choice

How is the periodic table organized

• Elements with similar properties in the same columns

• Elements with similar properties are in the same rows.

• Elements with similar properties are spread out as much as possible.

• Elements with similar properties are arranged into cluster.

Open Ended

Scientists are studying a new chemical. They determine that the melting point of the chemical is 30^oC and the boiling point is 200^oC. What state of matter would this substance be at 15^oC?

Open Ended

Scientists are studying a new chemical. They determine that the melting point of the chemical is 30^oC and the boiling point is 200^oC. What state of matter would this substance be at 100^oC?

Open Ended

Scientists are studying a new chemical. They determine that the melting point of the chemical is 30^oC and the boiling point is 200^oC. What state of matter would this substance be at 195^oC?

Open Ended

Scientists are studying a new chemical. They determine that the melting point of the chemical is 30^oC and the boiling point is 200^oC. What state of matter would this substance be at 240^oC?

Multiple Choice

What is the volume of the image to the left?

Directions: click the image to the left to make it bigger.

• 42 mL

• 14 mL

• -14 mL

Multiple Choice

Find the density of the object in the picture to the left (click on it to make it bigger). The object has a mass of 84 grams and a volume of 14 mL.

• 14 g/cm³

• 0.17 g/cm³

• 6 g/cm³

• 7 g/cm³