NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

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NGSS.MS-PS1-1

Number of N in (NH₄)₂CrO₄

• 1
• 2
• 8
• 16

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NGSS.MS-PS1-1

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

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NGSS.MS-PS1-1

Classify the picture with the correct label.

• Element
• Compound
• Mixture of Elements
• Mixture of Compounds

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NGSS.MS-PS1-1

What element is this model showing?

• Lithium
• Boron
• Carbon
• Neon

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NGSS.MS-PS1-1

What is the charge on a lithium atom that looses 1 electron?

• +1
• 0
• -1
• -2

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NGSS.MS-PS1-1

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

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NGSS.MS-PS1-1

What is the chemical formula for water?

• C6H12O6

• H2O

• O2

• CO2

• ATP

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NGSS.MS-PS1-1

The smallest unit found in silver is

• element

• nucleus

• atom

• cell

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NGSS.MS-PS1-1

How many valence electrons in this diagram:

• 1

• 3

• 5

• 7

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NGSS.MS-PS1-1