Chemistry Final

The Law of Conservation of Matter States

• Energy cannot be created nor destroyed, it can only change form.

• Matter cannot be created nor destroyed, it can only change form.

• Matter can be created or destroyed, it cannot change form.

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NGSS.MS-PS1-5

In this chemical equation ,the small numbers dropped down below the letters like the 4 in CH₄ are known as the

• Products

• Reactants

• Coefficient

• Subscript

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NGSS.MS-PS1-1

What is the definition of chemical reaction?

• The input which reacts chemically to create product

• a system where none of the reactants or products are allowed to escape

• occurs when the atoms and molecules of two or more substances rearrange to form new substances

• the output, or result of a chemical reaction

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NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a substance produced during a chemical reaction?

• product

• reactant

• law of conservation of mass

• chemical reaction

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NGSS.MS-PS1-2

According to the law of conservation of mass if I have reactants starting out with a total of 6g, what will be the mass of the products?

• 1g

• 3g

• 6g

• 12g

Tags

NGSS.MS-PS1-5

____________ is anything that has mass and takes up space.

• solution

• water

• matter

• compound

The basic units from which all things are made are ______.

• atoms

• equations

• compounds

• mixtures

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

The single kind of matter that has a specific makeup is a

• solute

• solvent

• substance

• mixture

_______ are substances made of only one type of atom.

• Compounds

• Elements

• Mixtures

• Solutions

A change in which two or more substances are formed:

• chemical change

• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5