Properties of Water (and chemistry)

What is the name of the type of bond that connects the hydrogen and oxygen in a water molecule?

• polar covalent bond

• nonpolar covalent bond

• ionic bond

• hydrophobic interaction

Which of the following elements make up 96% of living things.

• water and carbon

• carbon, hydrogen, oxygen, sodium

• carbon, hydrogen, oxygen, nitrogen

• nitrogen, potassium, phosphate

The physical property of water, resulting from hydrogen bonding, that allows water molecules to stick to each other is referred to as:

• Cohesion

• Adhesion

• Homeostasis

• Capillary Action

The physical property of water that allows it to stick to ther polar substances is referred to as:

• Cohesion

• Adhesion

• Van der Waals Forces

• Ionic bonding

On the pH scale, acids have values ranging from 0 to

• less than 7

• less than 5

• 14

• 1

Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

As you add drops of water to the surface of a coin, each drop sticks to the other water droplet because of ________________, and sticks to the penny because of ______________.

• adhesion, cohesion

• cohesion, adhesion

• capillary action, specific heat

• specific heat, capillary action

Water travels up from the roots of a tree to the top because of...

• capillary action (adhesion and cohesion)

• surface tension

• specific heat capacity

• density of water compared to ice

Tags

NGSS.MS-ESS2-4

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

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-PS1-1