Unit 6 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.

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• K₂S
• H₂O
• I₂
• CO₂

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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

Tags

NGSS.HS-PS1-1

What type of bond is shown in this image?

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

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.

Which of the compounds below contains a single covalent bond?

• Br₂
• SO
• HCl
• Both a and c

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

What is the force that holds a molecule together?

• Electrostatic
• a sea of electrons
• electron molecular orbitals
• the strong nuclear force

Tags

NGSS.HS-PS1-3