Chemistry EOC Exam

In order for something to be considered matter it must have which of the following?

• Mass

• Volume

• Both Mass and Volume

Tiny pieces that all matter is made of?

• Ions

• Molecules

• Atoms

• Electrons

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

A group of atoms joined together in a particular way are called?

• atoms

• reactants

• molecules

• ions

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NGSS.MS-PS1-1

A starting substance that is part of a chemical reaction?

• property

• product

• reactant

• atoms

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Which item on this element square is the chemical symbol?

• Copper

• 29

• Cu

• 63.546

Which of these samples shown best represents an element?

• A

• B

• C

• D

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NGSS.MS-PS1-1

How many valence electrons does Potassium Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

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NGSS.MS-PS1-1

How many valence electrons does Silicon Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

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NGSS.MS-PS1-1

Made up of only 1 type of atom

• Compound

• Molecule

• Element

• Mixture

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NGSS.MS-PS1-1

This picture represents which of the following?

• element

• compound

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