What will nitrogen's charge be as an ion (What is the charge of the nitride ion)?

• +3
• -3
• 0
• -1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons will a neutral potassium atom lose to become stable?

• 1
• 2
• 8
• 7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Tags

NGSS.HS-PS1-1

How many total electrons does Na⁺¹ (a sodium ion) have?

• 10
• 11
• 12
• 22

Tags

NGSS.HS-PS1-1

Cations are

• positive
• negative
• on the right side of the periodic table.
• nonmetals

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NGSS.HS-PS1-1

Negative ions (anions) form when neutral atoms _________ valence electrons.

• lose
• gain
• share

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What charge will an oxide ion have? 

• +1
• -1
• +2
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If an element has 3 valence electrons, what charge will its ion most likely have?

• +3
• +5
• -3
• -5

Tags

NGSS.HS-PS1-1

Magnesium's ion is:

• Mg⁺¹
• Mg⁺²
• Mg^-1
• Mg^-2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2