U2M1 Review: Basic Chemistry and Properties of Water

The chemical bond that forms when electrons are transferred, and oppositely charged atoms are attracted to one another:

• Ionic

• hydrogen

• covalent

The chemical bond that forms when electrons are shared is called:

• Ionic

• hydrogen

• covalent

Water is a universal solvent because it...

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

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form

• less polar
• more polar
• less dense
• more dense

The tightness across the surface of water that enables paper clips to float is ____________.

• adhesion
• capillary action
• surface tension
• polarity

Tags

NGSS.MS-PS2-5

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

Large bodies of water, such as lakes and oceans, do not have quick changes in temperature. What is the reason for this?

• Water is an acid.
• Water is a versatile solvent.
• Water has a high heat capacity.
•  Water acts as a buffer.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a molecule has an opposite electrical charge on each end, it is known as what?

• cohesion
• polar molecule
• hydrogen bond
• solution

When water molecules stick easily to other water molecules, this is called what?

• cohesion
• adhesion
• solution
• polar molecule

The fact that water can stick to other substances is called:

• Ph

• Adhesion

• Cohesion

• Insulation

Tags

NGSS.MS-ESS2-4