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Science 11-16-11
Question | Answer |
---|---|
atomic mass | total mass of the protons and neutrons in an atom, measured in atomic mass units (amu) |
mass number | number of protons and neutrons in the nucleus of an atom |
energy level | place in an electron cloud where an electron is most likely to be found |
chemical symbol | shortened way of writing the name of an element |
periodic | repeating pattern |
group | vertical column of elements in the periodic table |
period | horizontal row of elements in the periodic table |
metal | element that has the property of shiny luster, ductility, and malleability |
luster | the way a material reflects light |
malleable | able to be hammered into different shapes |
ductile | able to be drawn into thin wires |
nonmetal | element that lacks most of the properties of a metal |