Unit 2 Chemical Bonding Pretest

Are the atoms more stable when they are bonded together or when they are apart? 

• Bonded Together
• Apart

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Ionic Bonding involves...

• The transfer of protons
• The transfer of nuetrons 
• The transfer of electrons
• None Of the above

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What do atoms that form positive ions tend to do?

• Tend to lose electrons 
• Tend to lose protons
• Tend to gain electrons
• Tend to gain protons

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What usually forms the positive ion?

• Metal
• Non Metals
• None

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What happens when the sodium atom loses an electron?

• It become negatively charged 
• It become positively charged
• none

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What usually forms the negative ion?

• nonmetals
• metal
• none

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Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

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What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

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What happens when an atom loses an electron?

• Neutral (no charge)
• Positive charge
• Negative charge

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What happens when an atom gain an electron?

• Neutral(no charge)
• Positive charge
• Negative charge

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