Compounds Lesson

Compounds Lesson

What changes produce new and different substances?

How are compounds named?

How can you identify compounds?

How are compounds used?

Multiple Choice

Classify the picture with the correct label.

• Element
• Compound
• Mixture of Elements
• Mixture of Compounds

Multiple Choice

Contains two or more atoms combined

• Elements
• Compounds
• Mixtures

Multiple Choice

Salt (NaCl)

• Compound

• Element

• Mixture

Multiple Choice

Mg

• Compound

• Element

• Mixture

Multiple Choice

Koolaid

• Compound

• Element

• Mixture

Multiple Choice

H

• Compound

• Element

• Mixture

Multiple Choice

Lucky Charms Cereal

• Compound

• Element

• Mixture

Multiple Choice

Bonds between atoms in a molecule form as a result of the sharing  of?

• formulas
• electrons
• atoms
• chemicals

Multiple Choice

Atoms combine to form _______. 

• electrons
• molecules
• nuclei
• neutrons

Multiple Choice

How many atoms are of Carbon is present in the chemical formula CO₂?

• 1

• 2

• 3

• unknown

Multiple Choice

Digestion of the food we eat is an example of chemical change.

• True

• False

Multiple Select

When you heat up sugar in pan, it will turn into a caramel. Why is this an example of chemical change?

• the process cannot be reversed

• a new substance was formed

• color has changed

• all of these

Multiple Select

Which of the following exhibits a chemical change?

• cutting of paper

• melting of ice

• burning of wood

Multiple Choice

A compound is a combination of ________ or more elements.

• one

• two

• three

• four

Multiple Choice

Mixtures are pure substances

• True

• False

Multiple Choice

Compounds consist of at least two or more elements chemically bonded together

• True

• False

Multiple Select

Which of the following are pure substances?

• Elements

• Compounds

• Mixtures

Concept Map of Classifying Matter

Multiple Choice

Atoms combine to form _______. 

• electrons
• molecules
• nuclei
• neutrons

Multiple Choice

Element is a

• pure substance
• compound
• mixture
• molecule

Multiple Choice

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Multiple Choice

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound