Covalent Bond

Diatomic molecules have

• 1 atom.

• 2 atoms.

• 3 atoms.

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NGSS.MS-PS1-1

The attractive force that holds a nonmetal and nonmetal together is called a

• covalent bond.

• ionic bond.

• metallic bond.

According the "Octet rule", how many valence electrons does an atom need to have a stable electron configuration?

• 1

• 5

• 8

• 10

Tags

NGSS.HS-PS1-1

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How are covalent bonds formed?

• electrons are shared

• electrons are transferred

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NGSS.HS-PS1-1

CO₂

• Ionic Compound

• Covalent Compound

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NGSS.HS-PS1-1

How many electrons are being shared in H₂O?

(Hint: Each bond has 2 electrons.)

• 2

• 4

• 6

• 8

How many bonds are there in the compound CH₃Cl?

• 3

• 4

• 6

• 7

What is the goal of the Lewis Dot Structure?

• To determine the electron position.

• To show the element's valence electrons & bonding capabilities.

• To find the atomic mass of an element.

• To search for the number of electrons in an individual atom.

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

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Generally low melting and boiling points

• Ionic compounds

• Covalent compounds

Tags

NGSS.HS-PS1-3