Visit the C&EN website to play our latest quiz: cenm.ag/july-31-quiz
Chemists can now cyclize sulfonimidamides into heterocycles that are what?
• Five-membered, aromatic and chiral
• Five-membered, aromatic and achiral
• Five-membered, nonaromatic and chiral
• Five-membered, nonaromatic and achiral
Rare earth MXenes are semiconducting and what else?
• Magnetic
• Conductive
• Insulating
• Luminescent
Why could rare earth MXenes be useful?
• Their properties are valuable for energy-efficient electronics.
• Their properties are valuable for fusion reactors.
• Their properties are valuable for space travel.
• Their properties are valuable for catalysts.
What new type of warhead could be used in cysteine-specific covalent drugs?
• Bicyclobutane
• Cyclopropane
• Benzene
• Peptide
What salts make metal nitride nanocrystal synthesis possible?
• Molten inorganic
• Organic acid
• Alkali earth
• Halogenated
What resin was found in Diego Rivera’s Creation mural?
• Copal
• Amber
• Myrrh
• Frankincense
What wasn’t found in Diego Rivera’s ‘Creation’ mural that was expected to be there?
• Beeswax
• Copal resin
• Acrylic paint
• Egg yolk
Enzymes could open a path to improve which class of antifungal drugs?
• Polyenes
• Azoles
• Echinocandins
• Pyrimidine analogs
C&EN used artificial intelligence in the development of this game, but all the questions and answers were checked by one of our human editors.