Expressed in scientific notation(6.0 x 104) (3.1 x 10-1) =

Using the periodic table, complete the table to describe each atom. type in your answers

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have