CH4 Carbon and the Molecular Diversity of Life

Organic molecules are based on the element _. This element can form an extremely wide variety of molecules due to its ability to form _ covalent bonds

• carbon, 4

• carbon, 2

• oxygen, 4

• oxygen, 2

Tags

NGSS.HS-LS1-6

All of the following are bonds a single carbon atom can make except

• 1 double, 1 triple

• 2 double

• 4 single

• 1 double, 2 single

• 1 single, 1 triple

Tags

NGSS.HS-LS1-6

When carbon atoms bond together a variety of carbon skeletons are formed. Which of the following is a way in which carbon skeletons vary?

• Length

• Double bond position

• Branches

• Presence of aromatic rings

• All answers are correct

Isomers differ in all of the following except

• Numbers of each atom

• Function

• Structure/shape

Which class of isomers are asymmetrical and mirror images of one another?

• Structural isomers

• Cis-trans isomers

• Entantiomers

Cis-trans isomers differ in their organization around a _. The _ isomer has attached groups across from one another (different sides)

• central carbon, trans

• central carbon, cis

• double bond, trans

• double bond, cis

Which of the following statements regarding functional groups is true?

• They impact the biochemical activity of an organic molecule

• They give a molecule unique chemical properties

• They are attachments to carbon skeletons

• All statements are true

Alcohols (-OH) are also known as _ groups. Their important property is _ in water (aqueous solutions)

• hydroxyl, forming hydrogen bonds

• hydroxyl, donating H⁺ ions

• carbonyl, forming hydrogen bonds

• carbonyl, donating H⁺ ions

Which carbonyl group is found at the end of a carbon skeleton?

• Ketone

• Aldehyde

• Alcohol

• Carboxyl

_ groups create basic conditions in aqueous solutions. This occurs when the group _ H⁺ ions from the solution

• Amino, removes

• Amino, adds

• Carboxyl, removes

• Carboxyl, adds