Which acid is produced in the stomach to aid digestion?

Which molecule acts as a carrier of electrons during cellular respiration and photosynthesis?

What is the significance of the term "isobar" in nuclear chemistry?

Which molecule has a polar covalent bond due to differences in electronegativity?

Who proposed the concept of quantized angular momentum in atomic orbits?

What is the term for the process by which cells break down molecules to release energy in the absence of oxygen?

What is the term for the distance between two successive peaks in a wave?

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s¹?

What is the term for a reaction in which one element displaces another from a compound?

What is the major product of the hydrogenation of an alkene?