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Atomic Structure
| Question | Answer |
|---|---|
| negatively charge particles that orbit the nucleus | electron |
| A pure substance with only one kind of atom | element |
| the center of the atom | nucleus |
| positively charged particle found in the nucleus | proton |
| has no charge and found in the nucleus | neutron |
| represents the number of protons in an atom | atomic number |
| equal to the number of protons + number of neutrons | atomic mass |
| space where electrons are found | energy shell or electron orbital |
| a horizontal row in the periodic table | period |
| the smallest atomic particle | electron |
| the atomic number represents the number of __________ | protons |
| To find the number of neutrons, subtract the number of ___________ from the atomic mass. | protons |
| When calculating the number of neutrons, you must first _______ the atomic mass up or down to the nearest whole number | round |
| In a neutral atom the number of protons is equal to the number of __________ | electrons |
| A substance made up of more than one type of element | compound |
Created by:
scienceeagle
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