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Chemword Puzzle

Across
What is a column down the periodic table called?
Chemical and physical properties of elements are Periodic functions of their ______
Properties of elements and identified additional patterns that supported what would be known as the ______.
Neutral atoms have an equal number of what?
What is an essential metal required by the human body to function?
What is another column down the periodic table called?
What generally increases across a period and decreases down a group?
How many groups are in the periodic table?
Every highly ______ nonmetal was followed by a highly _____ metal.
Who's your favorite Chemistry Teacher?
Down
What is a row across the periodic table called?
Sodium metal and Chlorine Gas makes...
The energy required to remove an electron from a neutral atom is known as?
What are valence electrons associated with?
Trends in electronegativity on the periodic table can be used to predict the reaction between what?
What element exists in nature, is very stable, and has been used for hundreds of years?
Who developed the periodic table?
What is expressed as half of the distance between the nuclei of identical Atoms that are bonded together?
Some gases that show no reactivity are called?
What kind of element is Silver, Gold, and Patinum?