A hypothetical ionic compound has the following formula:
AB2
Which option shows the most likely periodic table groups for the
elements A and B?
Select one:
A: Group 1, B: Group 18.
о
A: Group 1, B: Group 17.
O
A: Group 2, B: Group 18.
о
A: Group 2, B: Group 17:

How have the greenhouse gasses increased from the year 2000 to 2018

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Moving force of air flows from areas of high pressure to areas of low pressure true or false