UVA Mod 3 Vocabulary Word Scramble
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Term | Definition |
Solution | a liquid homogeneous mixture in which the solute is distributed evenly within the solute. |
Pure Substance | Atoms of various elements (same or different) that combine with one another to become the smallest unit of a chemical compound |
Homogeneous mixture | A solid, liquid, or gas mixture that has its different components mixed evenly within the substance |
Heterogeneous mixture | A solid, liquid, or gas mixture that has its different components mixed unevenly within a substance |
Emulsion | A homogenous mixture of 2 or more liquids that are normally not mixable |
Colloid | A homogeneous mixture in which microscopically insoluble particles are suspended throughout another substance. |
Salt | Chemical compound that forms from the reactions of an acid or base. |
pH | A value from 0 to 14 that is used to specify how acidic or basic a compound is when dissolved in water. |
Family | A group of elements with similar properties, which falls into columns on the periodic table |
Metalloids | Elements whose properties are between those of metals and solid nonmetals. |
Chemical bond | An attraction between atoms as they react to form compounds. |
Chemical formula | A formula giving the number of atoms of the elements present in one molecule of a compound. |
Compound | Matter that is composed of 2 or more elements. |
Substance | Matter, either element or compound that has a specific compound, that has a specific compound and specific properties. |
Acid | A compound that increases hydrogen ions when it is dissolved in a solution. |
Base | A compound that increases the hydroxide ions when it is dissolved in an solution. |
Ion | An atom or molecule with a positive or negative charge. |
Atomic mass | The mass of an atom or its sub-atomic particles expressed in atomic mass units (amu) . Protons +Neutrons= atomic mass |
Electrons | A negatively charged particle that orbits the nucleus of an atom |
Electron Cloud | The region around the nucleus of an atom . It is mostly empty space where electrons orbit. |
Neutrons | A neutral (no charge) particle that is in the nucleus of an atom |
Nucleus | The dense core or center of the atom that contains the protons and neutrons |
Protons | A positively changed particle that is in the nucleus of an atom |
Subatomic particles | Particles within an atom |
Atomic radius | The distance form an atom's nucleus to the outermost orbital of electrons |
Chemical reactivity | The readiness of a substance to undergo a chemical reaction with another substance |
Created by:
mpolitz
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