Covalent Bonding Practice Quiz

The electrons involved in the formation of a chemical bond are called

• valence electrons

• dipolar electrons

• "S" electrons

• dot electrons

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In order to draw a Lewis dot structure of an atom, you need to know its

• number of valence electrons

• atomic mass

• bond length

• ionization energy

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The "octet rule" says that nearly all atoms bond in order to achieve ____ electrons in their valence energy level.

• 8

• 2

• 4

• 6

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How many electrons would an atom of phosphorus need to share to satisfy the octet rule?

• 3

• 5

• 1

• none, it's a noble gas

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A covalent bond forms between

• metals

• nonmetals

• a metal and a nonmetal

• a metal and a metalloid

Which of the following compounds contains covalent bonds?

• LiCl

• CO₂

• Fe₂O₃

• KBr

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Which of these chemical bonds form when atoms share valence electrons?

• covalent

• ionic

• metallic

• adhesive

Which of these occurs in covalent bonding?

• atoms contribute valence electrons to a "sea"

• valence energy levels of bonding atoms overlap

• cations attract to anions due to opposite charges

• metals share their valence electrons with each other

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Which Lewis Dot Model drawing correctly shows an O₂ molecule?

• 
• 
• 
• 

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N₂ contains which type of covalent bond?

• Single bond

• Double bond

• Triple bond

• Quadruple bond

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