Which of the following describes a brønsted-lowry base?

a hydrogen ion acceptor

an electron pair donor

an electron pair acceptor

a hydrogen ion donor

What will most likely happen when two bromine atoms bond together?

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.