Covalent bonding

Why do atoms share electrons?

• To attain the electron configuration of a noble gas.
• To become ions and take a charge
• to increase the mass
• it's a nice thing to do.

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NGSS.HS-PS1-1

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Which of the compounds below contains a single covalent bond?

• Br₂
• SO
• HCl
• Both a and c

A molecule with a single covalent bond is....

• HCl
• SO
• CO
• SO₂

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NGSS.HS-PS1-1

A molecule with a double covalent bond is....

• HCl
• SO
• I₂
• N₂

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Which element forms a diatomic molecule using a triple covalent bond?

• C
• N
• O
• P

How many bonds does carbon have to create in order to satisfy the octet rule

• 1
• 2
• 3
• 4

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NGSS.HS-PS1-1

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

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

• K₂S
• H₂O
• I₂
• CO₂

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NGSS.HS-PS1-1

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How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

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NGSS.HS-PS1-2