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atomic mass unit (amu)
a unit used to measure the mass of particles in atoms; a proton or neutron has the mass of 1 amu
One of the electrons farthest away from the nucleus of the atom; these electrons are involved in a chemical reaction.
a characteristic of those metals that are attracted to magnets and can be made into magnets
the ease and speed with which an element combines, or reacts, with other elements and compounds
an element that has some characteristics of metals and some characteristics of nonmetals
a state of matter in which atoms are stripped of their electrons and the nuclei are packed closely together
the process in which smaller nuclei combine into larger nuclei, forming heavier elements
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