Atoms Molecules and Compounds

Sodium has an atomic number of 11, how many protons does this atom have?

• 12

• 11

• 23

• It doesn't have protons

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NGSS.MS-PS1-1

• Molecule

• Element

• Atom

• Compound

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NGSS.MS-PS1-1

What is the term for combining 2 or more atoms together?

• Compound

• Element

• Molecule

• Atom Group

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NGSS.MS-PS1-1

This is any combination of two or more atoms from different elements that are chemically combined.

• compound

• molecule

• element

• pure substance

Tags

NGSS.MS-PS1-1

Any combination of two or more atoms that are chemically combined is called this.

• molecule

• compound

• element

• pure substance

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NGSS.MS-PS1-1

A ​ (a)   is made of all the same​ (b)   and not able to be broken down into anything ​ (c)   ​

• Pure Substance

• atoms

• smaller.

• larger

• elements

Tags

NGSS.MS-PS1-1

How many atoms are in this formula? H_2O

• 2

• 3

• 5

• 1

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NGSS.MS-PS1-1

How many elements are in this molecule? C_6H_{12}O_6

• 3

• 24

• 12

• 18

Tags

NGSS.MS-PS1-1

Which of the following chemical formulas represents a compound?

Tags

NGSS.MS-PS1-1

What is the picture displaying?

• An element

• An atom

• A compound

• A nucleus

Tags

NGSS.MS-PS1-1