Amplify Chemical Reactions Ch 1-V2

Front

What are substances in chemistry?

Back

Substances are forms of matter that have a uniform and definite composition. They can be elements or compounds.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What factors can vary in groups of atoms?

Back

The type and number of atoms that make up the group can vary.

Tags

NGSS.MS-PS1-1

Front

What can be inferred if two samples have the same properties?

Back

If two samples have the same properties, they are likely to be the same substance.

Front

How can you determine if two substances are different based on their properties?

Back

If any of their properties differ, the substances are considered different.

Tags

NGSS.MS-PS1-1

Front

What is a substance made up of repeating groups of atoms called?

Back

A substance made up of repeating groups of atoms is called a compound.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down into simpler substances, while a compound is made up of two or more elements chemically combined.

Front

What is the significance of the properties of substances in chemistry?

Back

The properties of substances help in identifying and classifying them, as well as predicting their behavior in chemical reactions.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a chemical reaction?

Back

A chemical reaction is a process that involves the transformation of one or more substances into different substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What role do atoms play in chemical reactions?

Back

Atoms are the basic building blocks of matter and are rearranged during chemical reactions to form new substances.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; it is conserved.

Tags

NGSS.MS-PS1-5