Visit the C&EN website to play our latest quiz: cenm.ag/may-22-quiz
What technique did Mark Elliott use to study inductive effects in organic chemistry?
Natural population analysis
Molecular orbital theory
Density functional theory
Quantum mechanical modeling
Who led a 10-year study on hydrogen production from mines?
Barbara Sherwood Loller
Mark Elliott
Mark Mascal
Sarah Johnson
Which four per- and polyfluoroalkyl substances are included in the US EPA’s proposal to rescind drinking-water limits?
PFHxS, PFNA, HFPO-DA, and PFBS
PFOA, PFHxS, PFNA, and PFOS
PFOA, HFPO-DA, PFBS, and PFOS
PFHxS, PFOA, HFPO-DA, and PFBS
What compound was used to improve the properties of hemp and jute for use in polymer composites?
Calcium carbonate
Sodium bicarbonate
Magnesium oxide
Potassium hydroxide
Which Ebola virus species is causing the current outbreak in the Democratic Republic of the Congo and Uganda?
Bundibugyo Ebola virus
Zaire Ebola virus
Sudan Ebola virus
Tai Forest Ebola virus
Approximately how long did Mark Mascal’s team work to create a hydroxy-substituted oxonium?
10 years
5 years
15 years
3 years
Closure of which strategic waterway prompted China’s and India’s coal gasification initiatives?
Strait of Hormuz
Suez Canal
Strait of Malacca
Panama Canal
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.
