The Fundamentals of Chemistry Crossword Puzzle

QUESTIONS LIST: metalloid : properties of both metals and non-metals are a _ ?, group : each vertical column in the periodic table is a, negative ion : if an atom gains an electron it becomes a _ ?, noble gases : any of the gases such as helium etc. in group 0 of the periodic table are _ ?, transition metals : any of the set of metallic elements occupying a central block are _ ?, nonmetal : this is usually denoted by color?, alkali metals : these are the six chemical elements in group 1 of the periodic table, positive ion : if an atom loses an electron than it becomes _ ?, radioactive decay : this is the process by which unstable atoms become more stable, lanthanides : any of the set of metallic elements occupying the central block in the periodic table are _ ?, metal : the periodic table is also organized by whether the element is a _ ?, halogens : these are reactive nonmetallic elements that form strong acidic compounds, electron cloud : electrons negatively charged particles move around the nucleus within the _ ?, actinides : these are all radioactive metals and consist of 15 metals on periodic table, nucleus : found in the center of an atom and contains protons and neutrons, protons : positively charged particle, alkaline metals : these are very reactive, radioactivity : emitting particles and radiation, isotope : if an atom has the same element with a different number of neutrons, it makes them a _ ?, ion : this is form when an atom gains or loses one or more electrons, atomic number : an atom of a particular element will always have the same _ ?, period : each horizontal row of the periodic table is called a _ ?, amu : each proton and neutron is equal to one _ ?, electrons : negatively charged partials that move around in the electron cloud, neutrons : an uncharged or neutral particle