Initially a beaker contains 225.0 ml of a 0.350 m mgso4 solution. then 175.0 ml of water are added to the beaker. find the concentration of the final solution

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

What are the constituent metals of stainless steel?