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9. 10. 11. 12. 13. 88. a. b. The 3 particles that make up the atom are: a. b. C PRE-LAB QUESTIONS (Show instructor at beginning of tab, hand in with entire packet) Their respective charges are: The atomic number tells you the number of in one atom of an element. It also tells you the number of in a neutral atom of that element. The atomic number gives the "identity of an element as well as its location on the Periodic Table. The number of electrons determines the of an element. No two different elements will have the same atomic number. TRUE от FALSE The mass number is used to calculate the number of number of protons number of neutrons you must subtract the If you know only the following information can you always determine what the element is? Circle 'Yes' or 'No'. number of neutrons yes yes a no no from the C. in one atom of an element. In order to calculate the d. number of electrons in a neutral atom number of electrons yes yes no SAFA 000 no