Hydrogen Bonding & Properties of Water

TRUE OR FALSE:

Hydrogen bonds are very strong interactions between two atoms.

• True

• False

Hydrogen Bonds typically occur between atoms of hydrogen involved in this type of bond:

• Ionic

• Nonpolar Covalent

• Polar Covalent

• Nonpolar AND Polar Covalent

CHECK ALL THAT APPLY:

Electronegative atoms that are often involved in Hydrogen Bonds.

• Nitrogen

• Carbon

• Oxygen

• Fluorine

• Calcium

Hydrogen bonds are VERY important in determining the many properties of this very important molecule

(a)  

Tags

NGSS.HS-ESS2-5

The Oxygen atoms in the molecule shown have this charge:

• Positive

• Partial Positive

• Negative

• Partial Negative

Tags

NGSS.HS-PS1-2

The Hydrogen atoms in the molecule shown have this charge:

• Positive

• Partial Positive

• Negative

• Partial Negative

Tags

NGSS.HS-PS1-2

CHECK ALL THAT APPLY:

Check all statements that are true of Van der Waals Interactions.

• Very Weak

• Brief Interactions

• Occur when molecules are far apart.

• Occur when molecules are very close.

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Which of the following is LEAST likely to dissolve in water?

• nonpolar fats and oils
• polar sugar molecules
• salt made of a positive sodium ion and a negative chloride ion
• all of the substances will dissolve easily in water

Tags

NGSS.HS-PS1-3

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

• Water is an acid.
• Water is a versatile solvent.
• Water has a high heat capacity.
•  Water acts as a buffer.

Tags

NGSS.HS-ESS2-5