Ch. 6 Vocab Flashcards
Statement that when the elements are arranged by increasing atomic number, there is a periodic repetition of their chemical and physical properties
Periodic Table
Groups 1 and 2, 13 through 18
Representative Elements
Groups 3 through 12
Transition elements
Group 1 elements(except for hydrogen)
Alkali metals
Group 2 elements
Alkaline earth metals
A column in the periodic table
Group
A row in the periodic table
Period
Group 17 elements
Halogens
Group 18 elements
Noble gases
Atom or bonded group of atoms that have a positive or negative charge
Ion
Energy required to remove an electron from a gaseous atom
Ionization energy
Statement that atoms tend to gain, lose, or share electrons to acquire a full set of eight valence electrons
Octet rule
Indication of an atom‘s ability to attract electrons in a chemical bond
Electronegativity