Chemistry of Water

The chemical compound of water is

• HO
• H₂O
• H₃O
• HO₂

Tags

NGSS.MS-PS1-1

A Compound that is being dissolved is called a

• Solution
• Solute
• Solvent
• Suspension

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A solvent is...

• substance into which the solute dissolves
• a compound being dissolved
• a substance that does not dissolve
• None of the above

What is water made of?

• Water
• Liquid
• Hydrogen and oxygen
• Blue 

Tags

NGSS.MS-PS1-1

Surface tension is the property of water in which...

• water molecules at the surface tend to stick together.

• water spills easily.

• water tends to be see-through.

Refer to the picture of water sticking to a leaf; this is occurring because of:

• Adhesion

• Cohesion

Tags

NGSS.MS-ESS2-4

Attractions between water molecules are called

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

tendency of molecules of the same kind to stick to one another

• cohesion
• adhesion
• solution
• polar molecule

molecule in which opposite ends have opposite electric charges

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.MS-PS2-3

Which end of the water molecule has a slightly positive charge?

• the oxygen end
• the hydrogen end
• both ends are slightly positive
• neither end is positive