Polar v. Non-Polar Molecules

What is one of the most important classifications of molecules?

• Whether a molecule is organic or inorganic.

• Whether a molecule is polar or non-polar.

• Whether a molecule is acidic or basic.

• Whether a molecule is large or small.

Tags

NGSS.HS-LS1-6

What is a characteristic of polar molecules?

• Symmetrical electron distribution.

• Asymmetrical electron distribution.

• Made up entirely of the same element.

• No electronegativity.

What is the main reason water is a polar molecule?

• It is made up of the same element.

• It has asymmetrical electron distribution.

• It has no electronegativity.

• It is non-polar.

Why does butter not mix with water?

• Butter is polar and water is non-polar.

• Butter is non-polar and water is polar.

• Both are polar.

• Both are non-polar.

What happens to electronegativity as you move from left to right across a period in the periodic table?

• It decreases

• It increases

• It remains constant

• It fluctuates randomly

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What happens to the outer electrons in a polar molecule?

• They spend more time around the less electronegative element

• They spend more time around the more electronegative element

• They are evenly distributed

• They are not affected

What is the relationship between teens and their latest boy band fixation compared to?

• Electronegativity trends

• Atomic size trends

• Ionization energy trends

• Electron affinity trends

What is the analogy used to describe electrons in the video?

• Electrons are like magnets

• Electrons are like hipsters

• Electrons are like dancers

• Electrons are like artists

What are polar molecules particularly good at?

• Dissolving non-polar compounds

• Dissolving solids composed of polar or ionic compounds

• Dissolving metals

• Dissolving gases

What is the fundamental reason for the behavior of polar molecules?

• Increasing the energy of the system

• Decreasing the energy of the system

• Maintaining a constant energy level

• Increasing the temperature