Ions

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

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NGSS.MS-PS1-1

Why are ions formed?

• To make our lives difficult
• Because atoms want 8 valence electrons
• Because atoms have the same number of protons and electrons
• Because atoms gained neutrons

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NGSS.HS-PS1-1

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An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of a sodium ion?

• +2

• +1

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Group 17 always has ions with a charge of 

• +1
• +2
• -1
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What charge will an Oxygen ion have? 

• +1
• -1
• +2
• -2

Which of the following has a -3 charge?

• Boron
• Fluorine
• Nitrogen
• Neon

Tags

NGSS.HS-PS1-1

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charge of lithium ion

• -2
• -1
• +1
• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

charge of beryllium ion

• -2
• -1
• +1
• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following has a -1 charge? 

• Aluminum
• Bromine
• Calcium
• Potassium

Tags

NGSS.HS-PS1-1