Chemical Reactions

A combination of chemical symbols to represent a substance is a:

• chemical formula
• chemical bond
• chemical reaction
• chemical equation

Tags

NGSS.MS-PS1-1

An interaction that holds atoms or ions together is a:

• chemical formula
• chemical bond
• chemical equation
• chemical reaction

Tags

NGSS.HS-PS1-3

A pure substance composed of all the same type of atoms is called:

• compound
• element
• molecule
• atom

A substance consisting of two or more different types of atoms chemically bonded together is called:

• compound
• element
• atom
• molecule

Tags

NGSS.MS-PS1-1

A stable unit of two or more atoms held together by chemical bonds is called:

• compound
• element
• molecule
• atom

Tags

NGSS.MS-PS1-1

The ability of an atom or molecule to undergo a chemical reaction with another atom, molecule or compound:

• reactant
• product
• reactivity
• stability

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A representation of a chemical reaction that uses symbols to show the relationship between the reactants and products:

• chemical formula
• chemical reaction
• chemical equation
• chemical bond

Materials that are present at the end of a reaction are called:

• products

• reactants

• molecules

• elements

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Any substance that undergoes a chemical change in a given reaction is called:

• product
• reactant
• molecule
• atom

Tags

NGSS.MS-PS1-2

The process in which atoms are rearranged and chemical bonds are broken and formed to produce a chemical change of a substance is called:

• chemical formula
• chemical bond
• chemical reaction
• chemical equation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5