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Chemistry
Chemistry, 40 words.
| Question | Answer |
|---|---|
| Atom | A unit of matter or the smallest unit of a chemical element |
| Atomic Mass | Number of protons and neutrons in the atom |
| Atomic Number | The number of protons in the nucleus of an atom |
| Bohr Diagram | shows protons and electrons as they move in a circular orbit similar to the solar system |
| Chemical Symbol | A code for a chemical element |
| Electron | primary carrier of electricity in solids and is a negative charge |
| Energy Level | the amount of energy it has/ the rings |
| Family | another word for group |
| Isotope | same element that contains equal numbers of protons but different numbers of neutrons |
| Leptons | subatomic particle such as an electron |
| Lewis Structure | electron dot diagrams |
| Metal | solid that is good electrical and thermal conductivity |
| Metalloid | an element whose properties are intermediate between those of metals and solid nonmetals |
| Neutron | neutral charge with about the same mass as a proton |
| Nonmetal | element that is not a metal |
| Nucleus | central positively charged core of an atom |
| Periodic Table | a table of the chemical elements arranged in order of atomic number |
| Proton | positive electric charge |
| Quark | carries a fractional electric charge |
| Valence | electrons on last ring of of the energy level |
| Period | a name for different groups; period 1, period 2, period 3 |
| Compound | composed of two or more separate elements |
| Mixture | substance made by mixing other substances together |
| Matter | occupies space and has has mass |
| Chemical Property | behavior of a substance when it undergoes a chemical change |
| Chemical Change | a new chemical substance |
| Physical Property | color, texture, freezing point, boiling point. |
| Physical Change | a substance physically changes without the substances changing |
| Monomer | bonds with other identical molecules to form a polymer |
| Polymer | molecular structure consisting of large number of similar units bonded together |
| Petrochemicals | a chemical obtained from petroleum and natural gas. |
| Ion | atom or molecule that has lost or gained one or more electrons |
| Ionic Bond | happens when an charged atom gains or loses its electrons |
| Covalent Bond | a chemical bond that involves the sharing of electron pairs between atoms |
| Oxidation Number | represents the number of electrons lost(or gained if the number |
| Chemical Formula | shows total number of atoms in a molecule |
| Chemical Equation | Shown by arrows and other symbols |
| Reactants | a substance that undergoes change during a reaction |
| Products | a substance obtained from another substance through chemical change |
| Law of Conservation of Mass | law in which matter can not be created or destroyed |
Created by:
2019dsimmermaker
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