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Science Vocaulary 2
| Question | Answer |
|---|---|
| Proton | Positively charged subatomic particle in the nucleus of an atom. |
| Kinetic Theory | Explanation of the behavior of molecules in matter; states that all matter is made of constantly moving particles that collide without losing energy. |
| Group | A family of elements arranged in a vertical column on the periodic table. |
| Period | The horizontal rows of elements on the periodic table |
| Electron | A negatively charged subatomic particle that orbis the nucleus of an atom. |
| Neutron | A subatomic particle having zero charge, found in the nucleus of an atom |
| Valence Electron | An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. |
| Electron Cloud | The area around the nucleus of an atom where its electrons are most likely found. |
| Nucleus | The center region of an atom where protons and neutrons are located |
| Element | A substance that cannot be broken down into a simplier substance by an ordinary physical or chemical process |
| Atomic Number | Number of protons in an atom's nucleus. |
| Mass Number | The sum of the numbers of protons and neutrons in an atom's nucleus |
Created by:
mentomint
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