dadey

3. the arrangement of electrons in energy levels around an atomic nucleus
5. a process in which one or more substances, the reactants are converted to one or more different substances
7. the number of a chemical element in the periodic system
8. the quantity of matter contained in an atom of an element
10. like a lapse of timee
11. a definite stable energy that a physical system can have used especially of the state of electrons in atoms or molecules

1. This method owes the first part of its name to the fact that work is carried out on many intermediate levels like steps
2. a smal piece of matter
4. and occur at the lower left of the periodic table
6. a table with all of the elements that the the human discovered is something that human discovered
9. constancy of the total electric charge in the universe or in any specific chemical or nuclear reaction