A chemical bond that involves the sharing of nonmetal electrons.

• ionic bond
• an Ion
• covalent bond
• a anion

How many electrons are shared in a double covalent bond?

• 4

• 1

• 2

• 3

How many electrons are shared in a single covalent bond?

• 1

• 3

• 2

• 7

What sort of elements form covalent bonds?

• metal
• gases
• nonmetal

Which of these would form a diatomic molecule with two atoms joined by a covalent bond?

• copper

• helium

• chlorine

Is hydrogen considered a metal or a non-metal?

• Metal

• Nonmetal

Tags

NGSS.HS-PS1-1

What is the proper name for S₂O₂?

• Sulfur oxide

• Sulfur dioxide

• Sulfur (II) oxide

• Disulfur dioxide

For the structural formula shown, what is the chemical formula?

• NO
• N₂O₂
• NO₂
• N₂O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The molecule shown has been called "laughing gas" and has been used in dentistry as a pain killer. What is its chemical name?

• Nitrogen oxide

• Dinitrogen dioxide

• Dinitrogen oxide

• Nitrogen dioxide

NO

• Mononitrogen monoxide

• Nitrogen oxide

• Nitrogen monoxide

• Nitrate monoxide