atoms and the periodic table

An online crossword puzzle with 20 words. Play it free at AgileCrosswords.com.

Clues

a property used characterize materials in reactions that change their identity
units use to measure particle of an atom
are arranged in group 1 of the periodic table and are the most reactive metals
also known as the Noble Gases, these elements almost never react, and are arranged in group 18 of th
elements that either gain or share valence electrons
a substance that cannot be broken down into other substances
a particle of an atom that has a neutral charge (no charge)
a particle of the nucleus of an atom that has a positive charge
an element that readily loses electrons to form positive ions
each column of the periodic table
the smallest particle of an element
a characteristic you can observe or measure without changing the composition or identity of the subs
a table that organizes the element in pattern through rows and columns
the atomic number is the number of protons in an atom
a force that holds atoms together
elements that have some properties of a metal and a nonmetal
a particle of an atom that has a negative charge and is outside the atom's nucleus and orbits it
elements that are arranged in group 17. They are the most reactive non-metal group
one, two, or three letter symbols identifying elements
a row of the periodic table