Covalent Bonding

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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How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

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Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

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How are ionic bonds formed?

• When atoms share an electron
• When opposite charged atoms attract
• When one atom takes a proton
• When one atom takes a neutron

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Which element is most likely to form a covalent bond?

• Nitrogen
• Lithium
• Sodium
• Potassium

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Is this image an example of covalent bonding?

• Yes
• No

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With the ________ you must have 8 electrons on the outside ring.

• anions
• ionic bonds
• cations
• octet rule

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Decide which is example is NOT a covalent compound

• H₂O
• CO₂
• SO₄
• CaCl₂

Decide which is example IS a covalent compound

• NaCl
• NaI
• K₂O
• H₂O

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Covalent compounds tend to be.... 

• Solids 
• Solids and liquids
• Gases only
• Liquids and gases 

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