NGSS.MS-PS1-1

This picture represents which of the following?

• Element
• Compound
• Mixture

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NGSS.MS-PS1-1

define element

• pure substance made of only one type of atom
• pure substance made of more than one type of atom
• substance mixed together but not chemically combined

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NGSS.MS-PS1-1

How many Oxygen (O) atoms are in 2C₂HO₈C_l2

• 2
• 16
• 8
• 5

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NGSS.MS-PS1-1

How many atoms?

H₃PO₄

• 8

• 3

• 7

• 5

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NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

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NGSS.MS-PS1-1

These are the smallest non-living things, they make up everything.

• cell

• atom

• molecule

• tissue

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NGSS.MS-PS1-1

Electrons are located in the

• electron cloud

• nucleus

• molecule

• circles

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NGSS.MS-PS1-1

letters and numbers showing the types and number of atoms that repeat to make up a substance

• chemical formula

• chemical reaction

• molecule

• phase change diagram

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NGSS.MS-PS1-1

How many Nitrogen (N) atoms are in 4NH₃?

• 4

• 1

• 3

• 12

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NGSS.MS-PS1-1

This picture represents which of the following?

• element

• compound

Tags

NGSS.MS-PS1-1