IS IT WEIRD MY BOY FRIEND'S FRIEND TALKS TO ME A LOT AND IM HIS 1 ON SC

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal

True or false exosphere is the least dense