Hi Covalent bonds occur when nonmetal elements have a unstable outermost shell know as the valence electrons. The two non-metal either give up of gain electrons and then live with the other element or elements outer shell.
Meditation is a natural state of the human mindâat rest, open, alert. The basic meditation technique predates all religious traditions, though it is used in one way or another by each of them. Undertaken as a steady practice, meditation allows the mind to relax and settle. It encourages our inherent qualities of stability, clarity and mental strength to emerge.
1 Meditation reduces levels of the hormone cortisol (which raises blood pressure and levels of stress).  Taking a few deep breaths engages our parasympathetic nervous system (our ârest and digestâ mode), and deactivates our sympathetic nervous system (our âfight, flight, or freezeâ mode).