Unit 6: Chemical Bonding Review

Ionic Bonding involves...

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

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How many electrons are needed in the outer energy levels of most atoms to be stable?

• 2
• 4
• 6
• 8

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Outer shell electrons are called

• outer electrons
• valence electrons
• negatives

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In a polar covalent bond, electrons are shared ___________.

• equally
• unequally
• between non-metals with similar electronegativities
• between a metal and a non-metal

In covalent bonds, electrons are ___________.

• transferred
• gained
• lost
• shared

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Electronegativity is a measurement of the ability of a nucleus to...

• attract bonding electrons
• attract other nuclei
• attract elenece in the non-valence energy levels

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Lewis structures use _ to represent valence electrons.

• dots
• prefixes
• roman numerals
• subscripts

Predict the bond that will form between Be and F.

• Ionic
• Covalent

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When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

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Which of these is covalent?

• NaCl
• Pb(NO₃)₂
• CO₂
• AlCl₃

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