Module 6 Lesson 1: Ion Formation

What is the electron configuration of a chlorine atom after it gains an electron?

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NGSS.HS-PS1-1

• Gain three electrons

• Lose three electrons

• Gain five electrons

• Lost five electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

• Gain two electrons

• Lose two electrons

• Gain six electrons

• Lose six electrons

What happens when calcium creates an ion?

• It loses two electrons, becoming a +2 charge

• It gains two electrons, becoming a -2 charge

• It loses two protons, becoming a -2 charge

• It gains two protons, becoming a +2 charge

What happens when Fluorine creates an ion?

• It gains one electron, becoming a -1 charge

• It loses one electron, becoming a +1 charge

• It gains one proton, becoming a +1 charge

• It loses one proton, becoming a -1 charge

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NGSS.MS-PS1-1

Which atom is more reactive, chlorine or argon?

• Chlorine because it needs one more electron

• Chlorine because it needs to get rid of one extra electron

• Argon because it already has eight electrons

Which charge is best associated with the boron ion?

• +3 because it loses three electrons

• +3 because it gains three electrons

• -3 because it loses three electrons

• -3 because it gains three electrons

Tags

NGSS.MS-PS1-1

What is the electron configuration of a sodium atom after it loses an electron?

Tags

NGSS.HS-PS1-1