The number of unpaired electrons for C and S2- are Group of answer choices

4 and 0

0 and 4

4 and 4

0 and 0

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

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false