Amplify Chemical Reactions

Amplify Chemical Reactions

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are chemical reactions?

Back

Chemical reactions are processes where substances (reactants) are transformed into different substances (products) through the breaking and forming of chemical bonds.

2.

FLASHCARD QUESTION

Front

What is a repeating group of atoms?

Back

A repeating group of atoms is a specific arrangement of atoms that occurs multiple times in a substance, determining its properties.

3.

FLASHCARD QUESTION

Front

How do the properties of substances relate to their atomic structure?

Back

The properties of substances, such as color, smell, and melting point, are influenced by the types and arrangements of atoms in their structure.

4.

FLASHCARD QUESTION

Front

What is the significance of the number of atoms in a chemical substance?

Back

The number of atoms in a chemical substance can affect its properties; different numbers can lead to different physical and chemical characteristics.

5.

FLASHCARD QUESTION

Front

What happens when two substances are mixed together?

Back

When two substances are mixed, they can undergo a chemical reaction, resulting in new substances with different properties.

6.

FLASHCARD QUESTION

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither fixed shape nor volume.

7.

FLASHCARD QUESTION

Front

What is an example of a chemical reaction?

Back

An example of a chemical reaction is the mixing of vinegar and baking soda, which produces carbon dioxide gas.

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