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