Grade 10 Ions Review

All elements in group 17 (VII) of the periodic table will...

• Lose 1 electron when they become ions

• Gain 1 electron when they become ions

• Lose 7 electrons when they become ions

• Gain 17 electrons when they become ions

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NGSS.HS-PS1-1

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Which is the correct symbol for the element with 8 protons and 10 electrons?

• N^3-
• O^2-
• O^3-
• F^-

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NGSS.HS-PS1-1

N ionizes to a charge of _______.

• +3

• -3

• +2

• -2

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NGSS.HS-PS1-1

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How many total electrons does O^-2 (an oxide ion) have?

• 8
• 10
• 6
• 18

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NGSS.HS-PS1-1

How many total electrons does Mg⁺² (a magnesium ion) have?

• 10
• 12
• 14
• 22

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NGSS.HS-PS1-1

Which of the following has a -1 charge? 

• Aluminum
• Bromine
• Calcium
• Potassium

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NGSS.HS-PS1-1

Elements on the LEFT side of the periodic table will most likely form:

• Positive ions
• Negative ions
• Neutral Ions
• None of these

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NGSS.HS-PS1-1

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

What is the ionic symbol for Selenium?

• Se^-2
• Se⁺²
• Se^-3
• Se⁺³

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NGSS.HS-PS1-1

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What is the ionic symbol for a Gallium atom?

• Ga⁺³
• Ga^-3
• Ga⁺²
• Ga^-2

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NGSS.HS-PS1-1