Ionic and Covalent Bonding

A water molecule (H₂O) is an example of a covalent bond because ____.

• The hydrogen gains an electron an the oxygen loses one.  
• Electrons are shared btween the hydrogen and oxygen
• They do not form a eutral goup of atoms. 
• Hydrogen and oxygen are both negative ions.   

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NGSS.HS-PS1-2

Ionic bonds form between what types of elements? 

• Metal to Metal
• Metal to Nonmetal
• Nonmetal to Nonmetal

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NGSS.HS-PS1-1

Covalent bonds form between what types of elements? 

• Metal to Nonmetal
• Nonmetal to Nonmetal
• Metal to Metal

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the below elements will most likely form an Ionic Bond? 

• P and O
• Cs and O
• Li and Mg
• Ne and Cl

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many Atoms are in FeO₂. 

• 3
• 2
• 1
• 4

When Calcium forms a bond, what will occur? 

• Calcium with give away it two valence electrons to form an covalent bond. 
• Calcium will share its two valence electrons to form an covalent bond
• Calcium will give away its two valence electrons to form an ionic bond
• Calcium will share its two valence electrons to form an ionic bond. 

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the below elements will most likely form an Covalent Bond? 

• K and Cl
• H and O
• Al and Mg
• K and Na

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The force that hold two atoms together is called a ______. 

• Chemical Change
• Reaction
• Chemical Bond
• Physical Change

Which Compound would be classified as a covalent bond? 

• CaCl₂
• P₂O₅
• KI
• MgO

How many electrons does chlorine need to gain in order to have a full outer shell? 

• 7
• 0
• 1
• 8

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NGSS.HS-PS1-1