Charge Distribution

A polar molecule... (check all that apply)

• Lives at the North Pole

• Is hydrophobic

• Is hydrophilic

• has an asymmetrical charge distribution across the molecule

• has a symmetrical charge distribution across the molecule

Tags

NGSS.HS-PS1-2

Atoms that gain or lose electrons become

• ions

• isotopes

• isopmers

• radioactive

What type of bond is formed between a positive hydrogen end of one molecule and a negative oxygen or nitrogen end of another molecule?

• Hydrogen bond

• James bond

• Covalent bond

• Ionic bond

What is the effect of thunderstorms on the charges in clouds?

• Equal distribution of charges throughout the cloud

• Negative charges on top of the cloud, positive charges on the bottom

• Positive charges on top of the cloud, negative charges on the bottom

• No effect on the charges in clouds

Tags

NGSS.HS-PS3-5

What is the physical property of all matter that leads to electric and magnetic interactions?

• Mass

• Volume

• Electric charge

• Density

Tags

NGSS.HS-PS3-5

NGSS.HS-PS2-4

NGSS.HS-PS2-5

What happens when you touch a doorknob and get shocked?

• Electric charges remain stationary

• Electric charges quickly move between objects causing a spark

• Electric charges are destroyed

• Electric charges are created

Tags

NGSS.HS-PS3-5

What happens to the charges in neutral objects when outside forces are used?

• Charges remain stationary

• Charges spread out evenly

• Charges can move and separate within the object

• Charges are destroyed

Tags

NGSS.MS-PS2-3

What causes water droplets to move around a charged knitting needle and change direction?

• Frictional forces

• Magnetic forces

• Gravitational forces

• Electric forces

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Water is considered a polar molecule because

• It can easily dissolve substances

• It has hydrogen bonds that stick between the oxygen and hydrogen atoms.

• The share of electrons between the oxygen and hydrogen is not equal.

• It doesn't have a slight charge

Tags

NGSS.MS-ESS2-4

Which of the following best describes the charge distribution in a polar molecule?

• Symmetrical charge distribution

• Asymmetrical charge distribution

• No charge distribution

• Uniform charge distribution

Tags

NGSS.HS-PS2-6