Compounds
with a symmetry plane are chiral。(
)
with a symmetry plane are chiral。(
)
举一反三
- Compounds with a symmetry plane are chiral
- Which<br/>plane that axial surfaces of folds are parallel to? ____ A: plane<br/>AB B: plane<br/>AC C: plane<br/>BC D: anyone may be possible
- Aroma compounds in food have no relationship with other compounds in<br/>food such as non volatile compounds. ( )
- All<br/>the passengers in the plane that crashed in the middle of the Andes<br/>Mountains a week ago were ______ <br/>as dead.
- Which one of condition is not suitable for influenza virus.() A: +ssRNA B: icosahedral<br/>symmetry C: HA<br/>and NA on surface of envelope D: with<br/>envelope E: growing<br/>in embryonated egg