Periodic Table of Elements Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
the smallest particle in an element
the center of an atom, made up of protons and neutrons
a positively charged particle in the nucleus of an atom
a neutral particle in the nucleus of an atom
a negatively charged particle found in the valence level of an atom
any of the possible energies found in an electron in an atom
an electron in the outermost energy level of an atom
the properties of elements normally repeat in a similar pattern when elements are arranged in order of increasing atomic number
arranged in order of increasing atomic number periodic law a horizontal row of elements in the periodic table
a vertical column of elements in the periodic table
the process of adding electrons to or group of atoms or removing electrons from an atom
an atom or a group of atoms that has lost or gained one or more electrons and therefore has a net electric charge
the number of protons in the nucleus of an atom
the total number of protons and neutrons in the nucleus of an atom mass number any atoms having the same number of protons but a different number of neutrons
atom having the same number of protons but a different number of neutrons
the elements that are good conductors of heat and electricity
the elements that are usually poor conductors of heat and electricity
an element that has properties of both a metal and nonmetal
another name for group
created the periodic table of elements
