Atomic Numbers Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 10 clues. Answers range from 3 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
This tells you the number of protons in an atom
this is the sum of the protons and neutrons in an atom
this is the average mass of all the protons and neutrons in an atom
a normal (neutral) atom has the same number of these as protons
the atomic number is the number of these in an atom
to find the number of these, subtract the number of protons from the mass number
an atom that lost or gained electrons so that the number of protons & electrons is not the same
this is an atom with a different number of neutrons than the normal atom for a specific element
the charge of an atom that has lost electrons
the charge of an atom that has gained electrons
