Metal- a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
Metalloid- an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. They are electrical semiconductors. Nonmetal- a chemical element (as boron, carbon, or nitrogen) that lacks the characteristics of a metal and that is able to form anions, acidic oxides, acids, and stable compounds with hydrogen. Chemical Properties - things you can not see - like solubility, Physical Properties - an attribute you can see; appearance Reactivity - degree to which something reacts Solubility - ability to go into solution (a chemical property) Density - how close particles are; compactness; mass per unit volume Boiling Point - temperature that a liquid changes to a gas Melting Point - temperature that a solid changes to a liquid Periodic Table Family - groups or columns on PT that have similar chemical properties Bohr Model - depicts or shows the electron configuration (number and location of electrons) Valence electrons- number of electrons on the outermost ring malleable - pliable or shapeable ductile - can be pounded into a thin wire Subatomic Particles- a particle smaller than an atom Protons- a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge Electrons- subatomic particle with a negative charge located in the electron cloud Neutrons- A particle in the nucleus of an atom that has no charge. Atomic mass - The number of both protons and neutrons in the nucleus. Atomic number- The number of protons in the nucleus of an atom.
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May 2017
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