Compared to a sodium atom in the ground state a sodium atom in the excited state must have ?

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Which compound contain an iron with a 3+ charge