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Chp.1.1-UnitD Word Scramble

 
 


 

 
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Question Answer
protona positively charged particle
neutronan uncharged particle
nucleusthe combination of protons and neutrons at the center of an atom. has a positive charge because of protons
electronsnegatively charged particles that move around outside the nucleus
atomic numberthe number of protons in the nucleus of an atom
atomic mass numberthe total number of protons and neutrons in an atom's nucleus
isotopean atom of one element that has a different number of neutrons than another atom of the same element
ionan atom or group of atoms that has a positive or negative electric charge