Science Crossword
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
 
 
Down: 2) the number of protons in the nucleus of an atom3) an element in group 3 through 12 of the periodic table4) a mixture of two or more metals5) the gradual wearing away of a metal element due to a chemical reaction8) elements in the same vertical column of the periodic table; also called family9) elements in the same vertical column of the periodic table; also called group10) a substance that transmits heat or electricity easily13) one of the electrons farthest away from the nucleus of the atom; these electrons are involved in a chemical reaction14) a unit used to measure the mass of particles in atoms; a proton or neutron has a mass of 1 AMU16) a tony, negatively charged particle that moves around the nucleus of an atom17) a small, positively charged particle in the nucleus of the atom 18) the central core of an atom containing protons and usually neutrons19) a term used to describe a material that can be pulled out into a long wire20) the ease and speed with which an element or compound combines with other elements and compounds23) a term used to describe material that can be hammered or rolled into shape Across: 1) an element in the first row of the rare earth elements in the periodic table 6) a horizontal row of elements in the periodic table7) a characteristic of those metals that are attracted to magnets and can be made into magnets 11) a one or two letter representation of an element 12) a small particle particle in the nucleus of the atom, with no electrical charge15) an element in group 2 of the periodic table21) an element in the second row of the rare earth elements in the periodic table22) an element in group 1 of the periodic table24) the average mass of one atom of an element 25) a chart of the elements showing the repeating pattern of their properties
 

 

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