Now, complete the chart for the following ions: 2
-1
+2
34
-2
H
(Be
*S
1
16
lon Name
Protons
Neutrons
Electrons
Hydrogen (H) ion
Beryllium (Be) ion
Sulfur (s) ion

What’s a special glass that most beakers are made of

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.