DL AP: Water and Carbon CH 3 & 4

Subatomic particles with an atom include

• Oxygen and Hydrogen
• Protons, Isotopes and Neutrons
• Electrons
• Protons, Neutrons and Electrons

The bond between the oxygen atom and the hydrogen atom is a _________ bond

• Hydrogen

• Ionic

• Polar Covalent

• Neutral

The bond between water molecules is a _____ bond

• Hydrogen
• Proton
• Covalent
• Neutron

When liquid water freezes into a ice it becomes ______

• More dense

• Less dense

• Smaller

• Translucent

True or False. Water has a realitively high specific heat, which means it can absorb a lot of energy in the form of heat before it temperature rises. 

• True 
• False

The water molecule is a polar covalent molecule, which means

• One end has a positive charge and the other end has a negative charge
• It has a north pole and a south pole
• It has a bipolar personality 
• It is neutral 

Carbon in the atmosphere is in the form of

• Coal
• Limestone
• Carbonic Acid
• Carbon dioxide

The element present in all organic molecules is

• Nitrogen
• Phosphorus
• Hydrogen
• Carbon

Tags

NGSS.HS-LS1-6

How many electron pairs does carbon share in order to complete its valence shell?

• 1
• 3
• 4
• 8

Tags

NGSS.HS-LS1-6

Thalidomide and L-dopa, shown below, are examples of pharmaceutical drugs that occur as enantiomers, or molecules that

• are cis-trans isomers
• are mirror images of one another
• are mirror images of one another and have the same biological activity
• have identical three-dimensional shapes