Completion

Notes

Completion Complete each statement. 1. lons that have a negative charge are called_ aMiDs 2. An ion that has more protons than electrons is called an) Cation 3. A positively or negatively charged atom is known as a(n) _ ioN 4. The total number of particles in an atom's nucleus is indicated by the isotope's MOGS 5. Atoms of the same element with differing numbers of neutrons are called i'solofes 6. The unique number of protons in the atoms of an element is that element's entoric Numbe 7. The smallest of the main subatomic particles is the electnow 8. The gold foil experiments led to the discovery of the _ Uucleus Matching Add the proper letter to blank to match properly. Match the philosopher or scientist with the appropriate clue. a. Niels Bohr d. J.J. Thomson b. Hantaro Nagaoka e. E. John Dalton C. Ernest Rutherford 1. Democritus 1. discovered electrons using Crookes tubes 2. believed that electrons move through spherical regions located a fixed distance from the nucleus 3. first suggested that elements are made of atoms and that the atoms of an element are all alike 4. thought of indivisible "atomos" 5. developed the nuclear model 6. developed the Saturnian model Short Answer Ans...