2.1 and 2.2 Chem. for Bio, Water and PH Test Review

What part of the molecule is labeled #1?

• hydrogen

• oxygen

• carbon

What part of a molecule is labeled #2?

• Hydrogen

• Carbon

• Oxygen

What part of a molecule is labeled #3?

• Hydrogen bond

• Covalent Bond

• Chain bond

Identify the charge of the molecule labeled #4.

• Negative

• Positive

• Neutral

Identify the charge of the molecule labeled #5.

• Positive

• Negative

• Neutral

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

• Adhesion

• Cohesion

Refer to the picture; the water strider can walk over waters surface. This is occurring due to:

• Adhesion

• Cohesion

Refer to the picture; this is occurring because of:

• Adhesion
• Cohesion

In a water molecule ________________ has the positive charge.

• Hydrogen

• Oxygen

• Nitrogen

• Helium

Tags

NGSS.MS-PS1-1

In a water molecule _____________ has the negative charge.

• Hydrogen

• Oxygen

• Nitrogen

• Helium

Tags

NGSS.MS-PS1-1