Periodic Table Crossword

Patterns seen in elements, which repeat at regular intervals
A column of elements is called a ___________.
A horizontal row of elements is called a _____________.
The _______ is the most important subatomic particle in understanding chemistry.
Electrons that are involved in chemical changes are called______ electrons.
The most reactive group of metals are the ______ metals.
Elements in the same family react chemically _________.
The period number is equal to the number of occupied _______ levels.
The _________ are located to the left of the staircase, except for hydrogen.
The _______________ are located to the right of the staircase.
The ___________, or "salt formers" are the most reactive of the nonmetals.
The alkali metal in period three is called _____.
Germanium is a ________.
The A group elements are called ___________ elements.
Manganese is a ________________ metal.
The noble gases are ________________, because they have a full outermost energy level.
Neptunium is a ________________ element.
Barium is the alkaline ______ element in period 6.
Metals are good ______________ of heat and electricity.
Nonmetals are good ___________ of heat and electricity.
The only metal which is liquid at room temperature is ________. is
Negative ions are formed by an atom gaining _______.
Negatively charged ions are called _____.
Positively charged ions are called ______.
Metals tend to ______ electrons.
Nonmetals tend to ________ or share electrons.