Chemical Bonding

Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

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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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Chemical bonds form when atoms

• combined nuclei
• give up neutrons
• gain protons
• share or transfer electrons

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If an atom loses two electrons what charge will it have?

• + 2
•  - 2
• +1
• -1

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If an atom gains one electron what charge will it have?

• -2

• -1

• +1

• +2

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

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How many valence electrons in this structure?

• 6
• 5
• 4
• 7

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Which type of bond creates a "sea of electrons" between atoms?

• Ionic Bonds

• Covalent Bonds

• Metallic Bonds

• Hydrogen Bonds

Predict the bond that will form between Be and F.

• Ionic

• Covalent

• Metallic

• Hydrogen

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The number of _____ is most important in determining how an atoms will bond.

• Neutrons

• Protons

• Valence Electrons

• Electrons in the innermost shell

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