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chapter 17 ps c
| Question | Answer |
|---|---|
| the smallest piece of matter that still retains the property of the element. | atom |
| positively charged center of the atom. | nucleus |
| are particles with an electrical charge of 1+ | proton |
| are neutral particles that do not have an electrical charge. | nuetron |
| particles with an electrical charge of 1- | electron |
| Tiny particles that protons and neutrons are made up of. | quark |
| the area around the nucleus of an atom where its electrons are most likely found. | electron cloud |
| the number of protons in an atom. | atomic number |
| is the sum of the number of protons and the number of neutrons in nucleus of an atom. | mass number |
| atoms of the same element that have different numbers of neutrons. | isotope |
| the weighted average mass of the mixture of its isotopes. | average atomic mass |
| a table that shows all the elements. | periodic table |
| or families | groups |
| the symbol of the element and dots to represent the electrons in the outer energy level. | electron dot diagram |
| the horizontal rows of elements on the periodic table. | period |
Created by:
billybobthebob
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