Which of these are substitutes for CFCS? hydrofluorocarbons (HFCs)
hydrofluoroalkane
chloroalkanes
HCL
hydrocarbons
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100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable