The number of electrons in the last sub- energy level of the + 4 cation formed from the element of atomic number 43 is, (1) 1 (2) 2 (3) 3 (4) 4 (5) 5 chibited by oxygen is most​

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

What is the polyatamic ion of thiosulfate