How many valence electrons are in an atom of magnesium (atomic number 12) (1 point)?

Which is mostly likely why many scientists reject the cold fusion theory

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

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