chem unit 3 test review Flashcards
an element that exists as a liquid at room temperature and cannot conduct electricity
nonmetal
an element that exists as a crystalline solid, it can be stretched very thin into wires and has a shiny luster
metal
an element that exists as a crystalline solid, it can be stretched very thin into wires and has a shiny luster
metalloid
the distance between the nuclei of an atom and its farthest electron orbital
atomic radius
the amount of energy required for an atom to lose 1 electron
ionization energy
the tendency for an atom of a given chemical element to attract electrons
electronegativity
the ion that LOSES electrons
cation
what charge is cation
positive (+)
the ion that gains electrons
anion
what charge is anion
negative (-)
an atom in group 1 with 1 valence electron
alkali metal
an atom in group 2 with 2 valence electron
alkali earth metal
an atom in group 17 with 7 valence electron
halogens
an atom in group 18 with 8 valence electron
Noble gases
circle a group
II column of the periodic table