The Periodic Table Crossword Puzzle

QUESTIONS LIST:

• metals : elements found on the left-hand side of the staircase
• non-metals : elements found on the right-hand side of the staircase
• halogens : the name given to the group 7 elements
• noble : group 8 elements are also known as the _ gases
• boron : an elements with the symbol 'b'
• titanium : an element with the symbol 'ti'
• lithium : the atomic number of this element is 3
• iron : the atomic number of this element is 26
• nonreactive : the noble gases are very _ gases
• alkali : group 1 elements are also known as the _ metals
• francium : the most reactive alkali metal
• mercury : a liquid on the periodic table
• atom : elements are made up of only one type of _
• hydrogen : a gas which burns with a pop