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Atoms

QuestionAnswer
What three particles make up every atom? Protons, neutrons, and electrons
What makes an atom a certain element? Number of protons
What particle is negatively charged? Electron
Where are protons and neutrons located? The nucleus
What determines atomic number? Number of protons
What makes isotopes unique? Number of neutrons
What particle is positively charged? Proton
What particle is neutrally charged? Neutrons
What two particles make up nucleons? Protons and neutrons
Where are electrons located? Orbitals
Which particle(s) participate in chemical reactions? Electrons
How many protons does nitrogen contain? 5
How many neutrons does C-11 contain? 5
How many valence electrons does oxygen possess? 8
What does the unit ‘amu’ stand for? atomic mass unit
What particle essentially has no mass? Electron
 

 



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