What is the maximum number of electrons in the 3d subshell?

Which element is a metalloid?

Which group of the periodic table contains the halogens?

Enzymes are biological catalysts primarily made of:

What is the trend in atomic radius across a period from left to right?

Which biomolecule is the primary source of stored energy in the human body?

What is the trend in ionization energy down a group?

Proteins are polymers made up of monomer units called:

Which of these elements is an alkaline earth metal?

Which biomolecule serves as the primary genetic material in most organisms?

What is the electron configuration of Neon?