show more If you were asked to describe metals and magnetism you could say. nonâpaired electrons spin in opposite directions in all metals, creating a magnetic field. metals are magnets because they have more electrons than nonâmagnetic materials. metals can become magnetic if they have many spinning electrons... show more If you were asked to describe metals and magnetism you could say. nonâpaired electrons spin in opposite directions in all metals, creating a magnetic field.
Not to be confused with Argonne (disambiguation). Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third-most abundant gas in the Earth's atmosphere, at 0.934% (9340 ppmv).
The stable isotope oxygen-16 has an atomic number of 8 and a mass number, also known as an atomic mass, of approximately 16. The atomic number indicates how many protons are in the nucleus of the atom, while the atomic mass designates the number of protons and neutrons. Continue Reading.