This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 5 to 24 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the number of protons
the number of protons and neutrons added together
the time required for half the atoms in a radioactive nuclide to decay
forms up energy that exhibits wave-light characteristics as it travels through space
the electrons in the outer most electron shell
a way to visualize the valence electrons in an atoms structure
an amount of energy that an electron needs to gain or lose to move to the next energy level
represents a period or row on the periodic table
an atomic orbital may have up to 2 electrons then its full
when you degenerate orbitals, you fill them all half way first then you start pairing up the electrons
positive and loses electrons
negative and gains electrons
bond formed by the attraction between oppositely charged ions
chemical bond in which two atoms share a pair of valence electrons
taking the charge of an ion made of one or more atoms that are covalently bonded and that act as a unit
a non metal element or polyatomic ions bonded to hydrogen
special compound that rises when multiple carbon and hydrogen atoms bond together
the sharing of electrons between two atoms
weakest intermolecular force
act at short range between nearby molecules