Chapter 5 Science Quiz

Anything that has mass and takes up space is...

• an atom

• an element

• volume

• matter

What are some physical properties? SELECT ALL THAT APPLY.

• texture

• color

• reactivity

• density

What are chemical properties?

• Chemical properties are not affected by exposure to other substances.
• Chemical properties are related to the physical appearance of a substance.
• Chemical properties are only relevant in biological reactions.
• Chemical properties are characteristics of a substance that describes its ability to change into other substances

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The ability to burn is a chemical property.

• True

• False

The substances that undergo chemical changes are...

• Inhibitors
• Reactants
• Catalysts
• Products

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When do atoms form bonds?

• Chemical bonds form when atoms repel each other.
• Chemical bonds form when atoms collide with each other.
• Chemical bonds form when atoms are in a gaseous state.
• Chemical bonds form when atoms share or transfer electrons.

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In a chemical change, what happens to initial bonds?

• Initial bonds multiply
• Initial bonds are strengthened
• Initial bonds are broken
• Initial bonds are emerged with the product

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What are some physical changes?

• Formation of precipitate

• Gas production

• Ne elements are formed

• color change

What is an exothermic reaction?

• An exothermic reaction absorbs energy from the surroundings
• An exothermic reaction results in a decrease in temperature
• An exothermic reaction is always spontaneous
• An exothermic reaction releases energy in the form of heat or light.

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What is an endothermic reaction?

• An endothermic reaction only occurs in living organisms.
• An endothermic reaction does not involve any heat exchange.
• An endothermic reaction absorbs heat from its surroundings.
• An endothermic reaction releases heat to its surroundings.

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