How many protons electrons and neutrons does an atom with atomic number 50 and mass number 125 contain

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

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