Chemistry Final Exam Part II

How many valence electrons do elements in Group 15 have?

• 15

• 5

• 4

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NGSS.HS-PS1-1

How many electrons are required to fill the outer shell for elements in Group 15

• 15

• 3

• 5

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How many valence electrons do elements in Group 13 have?

• 13

• 5

• 3

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NGSS.HS-PS1-2

How many valence electrons do elements in Group 1 have?

• 7

• 10

• 1

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NGSS.HS-PS1-2

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

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NGSS.HS-PS1-2

When forming an ionic bond, a metal atom

• Gains electrons to form a cation
• Loses electrons to form a cation
• Gains electrons to form an anion
• Loses electrons to form an anion

What elements generally make a covalent bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

An ionic bond forms when 

• Valence electrons are shared
• a sea of mobile electrons surround the cations
• valence electrons are transferred between atoms
• none of the above

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NGSS.HS-PS1-1

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Predict the bond that will form between Be and F.

• Ionic
• Covalent

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the bond that will form between Se and Cl.

• Ionic
• Covalent

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NGSS.HS-PS1-1

NGSS.HS-PS1-2