is an atom that gains electrons; it's valence electrons is similar to a noble gas. ionic bond
covalent bond
anions
cations
melting point
boiling point
conductivity
polyatomic ions
valence electron
Metal
nonmetal
metaloids

In 2002, the rare earth elements mine in mountain pass, california was closed because

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

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c