AP Biology Basic Chem Quiz

How many valence electrons does Oxygen (atm # 8) have?

• 2
• 4
• 6
• 8

Sodium (valence 1) and Fluorine (valence 7) will interact in what kind of bond/interaction?

• Ionic
• Covalent
• Hydrogen
• Van der Waals

Name the functional group (-OH) in the corner.

• carbonyl
• carboxyl
• hydroxyl
• methyl

A liquid with a pH of 4 is _x more concentrated in H⁺ than a liquid with a pH of 6. 

• 10
• 100
• 1,000
• 10,000

What makes a molecule polar?

• Equal sharing of valence electrons
• Unequal sharing of valence electrons
• Stealing of electrons
• Temporary charges that come and go

Tags

NGSS.MS-PS1-1

Which functional group is a base?

• Amine
• Carboxyl
• Methyl
• Sulfhydryl

Which biomolecule is mainly hydrocarbons and therefore very hydrophobic?

• carbohydrate
• nucleic acid
• protein
• lipid

CO₂ is an example of a(n) _____ bond.

• covalent
• adhesive
• ionic
• cohesive

Tags

NGSS.HS-PS1-1

LiF is an example of a(n) _____ bond.

• covalent
• adhesive
• ionic
• cohesive

Tags

NGSS.HS-PS1-3

Covalently bonded molecules are made of atoms that

• share electorns
• shoot their electrons out into space
• move their electrons to the nucleus of the atom
• give electrons to and accept electrons from each other

Tags

NGSS.MS-PS1-1