Acovalent bond always includes a pair of electrons.
a.
true
b.
false

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.