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immersion physi atom
atoms structure
| Question | Answer |
|---|---|
| atom | smallest part of an element |
| element | materials on earth that cannot be broken down |
| proton | positive particle |
| neutron | neutral particle |
| electron | negative particle |
| nucleus | center of an atom |
| atomic number | count only the protons in an atom |
| mass number | add the protons and the neutrons in an atom |
| energy levels | place on the outside of the nucleus |
| electrons are located here | energy levels |
| What does "-" mean when talking about atoms? | negative charge |
| What does "+" mean when talking about atoms? | positive charge |
| What does the "o" mean when talking aobut atoms? | neutral |
| If there are 5 protons in an atom, how many electrons are there? | 5 |
| If there there is a mass number of 8 and there are4 protons, how many neutrons are there? | 4 |
| If there are 12 protons, 12 electrons, and 12 neutrons, what is the mass number? | 24 |
| If there are 6 protons, and 6 neutrons, and 6 electrons, what is the mass number? | 12 |
| What is the mass number of oxygen? | 16 |
| What is the atomic number of nitrogen? | 7 |
| What is the smallest particle ? (proton, neutron, or electron) | electron |
| What two particles are in the nucleus? ( proton, neutron, electron) | protons, and neutrons |
Created by:
Vickiewhs
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