Chemical Bonds

What does the prefix "inter" mean in the context of chemical bonds?

• Within

• Between or among

• Above

• Below

Match the following types of forces with their descriptions.

• Forces within a molecule

• Intermolecular forces

• Forces between different substances

• Ionic bonds

• Forces that hold atoms together in a molecule

• Chemical bonds

• Forces between charged particles

• Intramolecular forces

Tags

NGSS.HS-PS1-3

Which type of bond involves equal sharing of electrons?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Mostly Nonpolar Covalent

What is the electronegativity difference range for a polar covalent bond?

• 0.0

• 0.0 < ΔEN < 0.5

• 0.5 < ΔEN < 2.0

• ΔEN > 2.0

What determines the type of bond that forms between two atoms?

• Atomic mass

• Electronegativity difference

• Number of protons

• Atomic radius

Tags

NGSS.HS-PS1-2

What is a compound?

• A single element

• Two or more elements chemically combined

• A mixture of gases

• A type of metal

Tags

NGSS.MS-PS1-1

In a chemical reaction, valence electrons in an ionic bond are (a)   .

• They are shared
• They are transferred
• They are destroyed
• They are created

What does a chemical formula indicate?

• The color of a compound

• The taste of a compound

• The elements and the number of each element in a compound

• The temperature at which a compound melts

Tags

NGSS.MS-PS1-1

How many atoms of hydrogen are in a molecule of water (H₂O)?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Elements form compounds to (a)  

• To increase energy
• To become unstable
• To be stable and achieve low energy
• To change color

Tags

NGSS.HS-PS1-4