1) When fluorine undergoes a reaction, its electron configuration changes from 2-7 to 2-8. What is the driving force behind this reaction?
(1p)
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How many molecules are in 6.0 moles of methane

Abike ride event is 30 miles. a first aid tent is put at the 3/4 mark of the course. how many miles from the starting point is the first aid tent?

Silver is a white metal that is an excellent conductor. silver tarnishes when exposed to air and light. the density of silver is 10.49 g/cm3. the melting point is 962oc and the boiling point is 2000oc. a chemical property of silver is