Chapters 17, 18

Quiz yourself by guessing what should be in each of the black rectangles below before clicking on it to display the answer.
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atom   the smallest part of an element with all the properties of the element  
element   fundamental material consisting on only one type of atom  
nucleus   core of the atom; has protons and neutrons  
proton   positively charged particle in the nucleus  
neutron   particle in the nucleus; no charge  
electron   negatively charged particles in an atom; in orbitals around the nucleus  
atomic number   identifies the element; number of protons  
atomic mass number   number of protons plus neutrons in the nucleus  
isotope   atoms with the same number of protons, different number of neutrons  
group   vertical column in the periodic table  
period   horizontal row in the periodic table  
metal   most elements of the periodic table; generally shiny, opaque, malleable  
metalloid   one of six elements with properties of both metals and non-metals  
non-metal   element that is not malleable, not ductile, poor conductor  


   

 
 

 
 

 

 
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