Neon is a noble gas because it is stable non reactive and has valence electrons

How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit