Periodic Table of the Elements Atomic Number Symbol 18 VIIIA 2 4.002602 H 1 2 1 0.0899 -259.14 37 Hydrogen S1/2 2.2 13.5984 -252.87 120 1 1s +1,-1 2 IIA 4 9.012182 3 Name Hydrogen *Density [Note] 0
Periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number. When the elements are thus arranged, there is a recurring pattern called the ‘periodic law’ in their properties, in which elements in t
periodic table with room-temperature statePeriodic table with atomic number, symbol, and room-temperature state (solid, liquid, or gas) of each element.(more) Of all the 118 known elements, 11 are gaseous, 3 are liquid, and the remainder are solids under ordinary conditions. With the excepti...
symbol, and atomic number, each element box has a drawing of one of the element's main human uses or natural occurrences. The table is color-coded to show the chemical groupings. Small symbols pack in additional information: solid/liquid/gas, color of element, common...
Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Click on an element symbol for more information ...
Periodic Table 元素周期表(相对分子量) PERIOD 1 IA 18 VIIIA 1 1.008 2 4 1 H Group IUPAC Group CAS Metal Semi Metal Non Metal He Alkaline Metal Chalcogens Element Hydrogen 2 IIA 1 IA Alkaline Earth Metal Halogens Element 13 IIIA 14 IVA 15 VA 16 VIA 17 VIIA Helium 3 6.94 4 9.01 Ato...
The atomic number of the element is shown above the symbol. The atomic mass and the name of the element are shown below the symbol. The color indicates the physical state of the element at 25℃. The periodic table contains a weal...
Answer to: Using the periodic table, write the symbol and name of the elements with following atomic number. a. 8: ___ ___ b. 78:...
Show all layers for a complete view including groups, periods, legends, colored outlines, corners (for black and white printing), as well as the usual atomic number, weight, symbol, and name. Hide element names and symbols and challenge students to complete the table. Even I have trouble wi...
Periodic Table of the Elements的元素周期表 热度: PeriodicTableof theElements Writtenby:BillByles-bylesb@internet4classrooms Selectanelement =Internetlink () Name:Hydrogen Symbol:H AtomicNumber:1 AtomicMass:1.00794amu MeltingPoint:-259.14°C(14.009985°K,-434.45203°F) ...