Based on your observations in the virtual lab, fill in the data table below. options: a: separated using a magnet; magnetism b: separated using filtration; conductivity c: separated using a magnet; malleability d: separated using a filter; magnetism

There are main groups in the modern periodic table of elements

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?