Covalent Bonds

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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NGSS.HS-PS1-2

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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NGSS.HS-PS1-1

What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?

• Ionic
• Polar Covalent
• Nonpolar Covalent
• Van der Waals Force

Compared to ionic compounds, molecular compounds generally have...

• stronger chemical bonds
• poor conductivity
• a high melting point
• lower densities

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NGSS.HS-PS1-1

NGSS.HS-PS2-6

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

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NGSS.MS-PS1-1

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

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NGSS.HS-PS1-2

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Group numbers on the periodic table help us determine 

• The number of valence electrons
• Color of the elements

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

H₂O

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

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NGSS.HS-PS1-2

Dense and poor conductors

• Ionic Bonds
• Covalent Bonds
• Both bonds
• Neither bond

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NGSS.HS-PS1-3