Examlex
Cosmologists cannot begin their history of the Big Bang at a time of exactly zero because it cannot be explained by current physics.
Structure
The arrangement of atoms or molecules in a substance that defines its chemical and physical properties.
Grignard Reagent
A class of organometallic compounds that are used in the formation of carbon-carbon bonds in chemical synthesis.
Keto Alcohol
A compound containing both a ketone (carbonyl group) and an alcohol (hydroxyl group) functional group.
1-Methylcyclohexane-1,4-diol
A compound featuring a cyclohexane ring with a methyl group and two hydroxyl groups positioned at the 1 and 4 positions.
Q1: Stars in binary systems can transfer matter
Q5: Active galactic nuclei were first found through
Q7: In addition to serving as the basic
Q19: At the center of our galaxy, _.<br>A)
Q22: The fusion of helium into carbon will
Q43: Pulsars were the first evidence of extraterrestrial
Q50: Cepheid variables can be used to determine
Q52: One theory for the origin of life
Q60: In the very first phase after the
Q113: The finite nature of the economy's resource