Polar VS Non Polar

Why do butter and water not mix?

• Butter is denser than water.

• Water is a polar molecule, and butter is nonpolar.

• Butter is a polar molecule, and water is nonpolar.

• Water and butter have different temperatures.

What is electronegativity?

• The ability of an atom to repel shared electrons.

• The ability of an atom to attract shared electrons.

• The ability of an atom to form ionic bonds.

• The ability of an atom to become a cation.

What two main factors are required for a molecule to be polar?

• High molecular weight and low density.

• Asymmetrical electron distribution and geometrical asymmetry.

• Symmetrical electron distribution and geometrical symmetry.

• Presence of only one type of element and a linear shape.

What is a dipole moment in a molecule?

• The total number of electrons in the molecule.

• The separation of charge around the molecule into a more positive and a more negative area.

• The ability of a molecule to conduct electricity.

• The force that holds atoms together in a molecule.

What property of water allows it to be poured into a container beyond its marked capacity without immediately spilling?

• Surface tension

• Adhesion

• Viscosity

• Capillary action

Why does water "expel" oil droplets rather than mixing with them?

• Water molecules are non-polar, and oil molecules are polar.

• Water molecules are more attracted to each other than to non-polar oil molecules.

• Oil molecules are denser than water molecules.

• Oil molecules have a higher surface tension than water.

What is the primary reason ice has a larger volume and is less dense than liquid water?

• The water molecules expand when they freeze.

• Hydrogen bonding in ice creates a more open, structured arrangement.

• Ice contains trapped air bubbles, increasing its volume.

• The covalent bonds within water molecules weaken in ice.

What characteristic allows water to dissolve a wide variety of compounds, including sugars, proteins, and ions?

• Its high boiling point.

• Its ability to form covalent bonds.

• Its dipole moment and partial charges.

• Its low specific heat capacity.