How many oxygen and hydrogen atoms are there in a water molecule?

• 1 oxygen atom, 1 hydrogen atom

• 2 oxygen atoms, 2 hydrogen atoms

• 1 oxygen atom, 2 hydrogen atoms

• 2 oxygen atoms, 1 hydrogen atom

Tags

NGSS.MS-PS1-1

Are the electrons in a water molecule shared equally between the oxygen and hydrogen atoms?

• Yes, they are shared equally

• No, they are closer to the hydrogen

• No, they are closer to the oxygen

• The electrons are not shared at all

What is the shape of a water molecule?

• Linear

• Triangular

• Bent

• Tetrahedral

Which of the following is NOT one of the 7 properties of water listed?

• Polarity

• Capillary Action

• Elasticity

• Heat Capacity

Tags

NGSS.HS-ESS2-5

What property of water allows it to dissolve many different substances?

• Density

• Heat of Vaporization

• Universal Solvent

• Surface Tension

What is the term used to describe water's ability to absorb a large amount of heat without a significant increase in temperature?

• Heat of Vaporization

• Universal Solvent

• Density

• Heat Capacity

What is a polar molecule?

• A molecule with only positive charged regions

• A molecule with only negative charged regions

• A molecule with both positive and negative charged regions

• A molecule with no charged regions

What causes the attraction between different water molecules?

• The positive end of one water molecule is attracted to the negative end of a different water molecule

• The negative ends of water molecules are attracted to each other

• The positive ends of water molecules are attracted to each other

• There is no attraction between different water molecules

How many hydrogen bonds can each water molecule form?

• Two

• Three

• Four

• Five

What is Capillary Action?

• The ability of water to freeze at a higher temperature.

• The process by which plants absorb water from the soil.

• The ability of water to flow upward against the force of gravity, due to cohesion and adhesion.

• The movement of water molecules from a high concentration to a low concentration.