Chemical Reactions Critical Juncture

Chemical Reactions Critical Juncture

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A chemical reaction is a process in which substances (reactants) undergo a transformation to form new substances (products) with different properties.

2.

FLASHCARD QUESTION

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting materials in a chemical reaction that undergo change.

3.

FLASHCARD QUESTION

Front

What are products in a chemical reaction?

Back

Products are the substances that are formed as a result of a chemical reaction.

4.

FLASHCARD QUESTION

Front

What is meant by 'repeating groups of atoms'?

Back

Repeating groups of atoms refer to the arrangement of atoms in a molecule that can repeat to form larger structures, such as polymers.

5.

FLASHCARD QUESTION

Front

How can the properties of substances change during a chemical reaction?

Back

The properties of substances can change because the arrangement and types of atoms in the products are different from those in the reactants.

6.

FLASHCARD QUESTION

Front

What is the significance of boiling and melting points in identifying substances?

Back

Boiling and melting points are characteristic properties of substances that can help identify them and determine their purity.

7.

FLASHCARD QUESTION

Front

What is a sealed container in the context of chemical reactions?

Back

A sealed container is an enclosed space that prevents the escape of substances, allowing for controlled reactions without loss of material.

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