Biochemistry week 2

Which of the following bonds allows electrons to flow freely?

• Covalent

• Ionic

• Metallic

• Disulfide

What units of measure are bond typically measured in?

• Angstrom

• MicroM

• NanoM

• CentiM

What is the length of a C-C bond?

• 1,99A

• 1.54A

• 5.14A

• 5.41A

Which bond occurs between a cation and an anion?

• Metallic

• Donald Trump

• Ionic

• Covalent

Hydrogen bonds may occur between H, and three other elements..... Which is the odd one out?

• Oxygen

• Flourine

• Nitrogen

• Cesium

Which of the following statements is correct regarding inter- and intra molecular bonds ?

• Intra forces are between the same molecule but inter forces are between two molecules.

• Inter forces are between the same molecule but Intra forces are between two molecules.

In a water molecule - Which part is sigma positive?

• Hydrogen

• Oxygen

• All of it

• None of it

Which definition best describes a Van der Waals force?

• Electrostatic attraction

• Electrostatic repulsion

• Electrostatic attraction or repulsion

• Donald Trump

An unequal sharing of electrons is called a ..............

• dipole-dipole

• diaper-diaper

• lattice reaction

• someone be greedy

How are ions formed?

• adding electrons

• removing electrons

• Jedi mind tricks

• adding or removing of electrons