Covalent Bonding and Lewis Structures

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-PS1-1

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Nonmetal and 1 Metal

• 2 Metals

• 2 Noble Gases

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

• K₂S

• H₂O

• I₂

• CO₂

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NGSS.HS-PS1-3

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

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

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NGSS.HS-PS1-1

What type of bond is shown in this image?

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

Diatomic elements are defined as IDENTICAL elements that bond with each other (i.e. Oxygen with Oxygen).  What type of bond should they form?

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

Tags

NGSS.HS-PS1-1

What is the proper name for S₂O₂?

• Sulfur oxide
• Sulfur dioxide
• sulfur (II) oxide
• disulfur dioxide

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