Periodic Table Crossoword Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 10 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
The mass of an atom of a chemical element expressed in atomic mass units
The number of protons in the nucleus of an atom.
A physicist who found a understanding of the atomic structure and the quantum theory.
Term referring to matter having an excess of electrons.
A symbol of Es
A negatively charged particle found orbiting the nucleus of an atom.
One of two or more atoms having the same atomic number but different mass numbers.
A atomic mass of 200.59
A particle carrying no electric charge and forming part of the nucleus of an atom.
The central part of an atom.
