Atomic Vocabulary Crossword Puzzle

QUESTIONS LIST: electron dot : diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons, period : horizontal row in the periodic table, nucleus : the positively charged central core of an atom, mass number : total number of protons and neutrons in a nucleus, proton : a particle in an atom with a positive charge equal to the electrons negative charge, group : a vertical column in the periodic table, neutron : a particle in an atom with no charge, atom : a basic unit of a chemical element, isotope : two or more forms of the same element that contain different number of neutrons in their nuclei, electron cloud : the region of negative charge surrounding a atomic nucleus, quark : any of a number of subatomic particles carrying a fractional electric charge, postulated as building blocks of the hadrons, electron : a negatively charged particle in an element, atomic number : the number of protons in the nucleus which determines chemical properties, periodic table : table of chemical elements arranged by atomic number