https://padlet.com/raybusky/5vtx30cavxb Periodic Table Related Vocabulary en-us 2017-10-29 14:38:52 UTC 2017-10-30 01:48:45 UTC hello@padlet.com raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201495729 a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.]]> 2017-10-29 14:41:58 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201495729 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201495857 a set of elements occupying an entire horizontal row in the periodic table.]]> 2017-10-29 14:43:29 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201495857 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201495936 a set of elements occupying a column in the periodic table and having broadly similar properties arising from their similar electronic structure.]]> 2017-10-29 14:44:32 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201495936 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201496181 include all of the elements in column 1A of the periodic table: hydrogen, lithium, sodium, potassium, rubidium, cesium, and francium. 
These metals are united by the fact that they all have one electron in their outermost layer of electrons.]]> 2017-10-29 14:46:58 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201496181 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201496584 are all of the elements in the second column (column 2A) of the periodic table. This group includes beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra). Alkaline earth metals have only two electrons in their outermost electron layer.]]> 2017-10-29 14:51:16 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201496584 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201516272 any of the set of metallic elements occupying a central block (Groups IVB–VIII, IB, and IIB, or 4–12) in the periodic table, e.g., iron, manganese, chromium, and copper. Chemically they show variable valence and a strong tendency to form coordination compounds, and many of their compounds are colored.]]> 2017-10-29 18:00:51 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201516272 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201558952 any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. They were given the name halogen, from the Greek roots hal- (“salt”) and -gen (“to produce”), because they all produce sodium salts of similar properties, of which sodium chloride—table salt, or halite—is best known.]]> 2017-10-30 00:31:33 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201558952 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201560254 any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.]]> 2017-10-30 00:41:34 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201560254 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201560835 2017-10-30 00:46:00 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201560835 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201560997 are good conductors of heat and electricity, and are malleable (they can be hammered into sheets) and ductile (they can be drawn into wire).  Most of the metals are solids at room temperature, with a characteristic silvery shine (except for mercury, which is a liquid).]]> 2017-10-30 00:47:00 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201560997 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201561379 are (usually) poor conductors of heat and electricity, and are not malleable or ductile; many of the elemental nonmetals are gases at room temperature, while others are liquids and others are solids. ]]> 2017-10-30 00:49:36 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201561379 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201561705 an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. They are electrical semiconductors.]]> 2017-10-30 00:51:27 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201561705 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201568706 2017-10-30 01:36:21 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201568706 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201568728 each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons, and that can be represented as a wave function.]]> 2017-10-30 01:36:31 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201568728 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201568862 explains the nature and behavior of matter and energy on the atomic and subatomic level.]]> 2017-10-30 01:37:25 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201568862 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201569389 an electron shell, or a principal energy level, may be thought of as an orbit followed by electrons around an atom's nucleus.]]> 2017-10-30 01:39:47 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201569389 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201569954 2017-10-30 01:43:26 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201569954 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201570028 a measure of an atom's ability to attract the shared electrons of a covalent bond to itself. ]]> 2017-10-30 01:43:53 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201570028 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201570221 the change in energy of a neutral atom (in the gaseous phase) when an electron is added to the atom to form a negative ion. ]]> 2017-10-30 01:45:22 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201570221 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201570419 the amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated gaseous atom to form a cation.]]> 2017-10-30 01:46:56 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201570419 raybusky https://padlet.com/raybusky/5vtx30cavxb/wish/201570521 the distribution of electrons of an atom or molecule in atomic or molecular orbitals.]]> 2017-10-30 01:47:53 UTC https://padlet.com/raybusky/5vtx30cavxb/wish/201570521