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...
Thevalenceof the elements (that is, the number of bonds formed with a standard element) is closelycorrelatedwith position in the periodic table, the elements in the main groups having maximum positive valence, or oxidation number, equal to the group number and maximum negative valence equal to ...
Thevalenceof the elements (that is, the number of bonds formed with a standard element) is closelycorrelatedwith position in the periodic table, the elements in the main groups having maximum positive valence, or oxidation number, equal to the group number and maximum negative valence equal to ...
The Periodic Table app contains detailed chemical and physical information of all chemical elements. Spice up your chemistry on Windows!
Periodic table of elements is a simple app that you can look up elements common properties. it is simple to use, contains a lot of information about elements and their behavior. it is interactive. you can click at any elements to see its property. on th
Element Fill Game: Challenge yourself to place elements correctly on the periodic table. Learn and Improve: At the end of each quiz, receive the correct answers to enhance your understanding and retention. Start your journey to mastering the periodic table with Periodic Table Element Quiz today!
element name atomic weight electron configuration other metals semi-metals non-metals halogens noble gases 8 9 氟 F fluorine 1 8.998 He.2s2.2p5 1 0 氖 Ne neon 20.1 80 He.2s2.2p6 1 1 鈉 Na sodium 22.990 Ne.3s1 12 鎂 Mg magnesium 24.305 Ne.3s2 3 / IIIb 21 鈧 Sc scandium 44.956 ...
Introducing the world's first handheld Periodic Table with the actual elements in it! Over the last year, we have successfully collected each and every stable element. After considerable R&D, we have finally developed a method of embedding each eleme
Window Version Show Table With: Name Atomic Number Atomic Mass Electron Configuration Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals ...
With Game Center integration, you can show everyone how well you know the periodic table and do your best to be the first in the ranking! Features ★ Two game modes: - Element symbol to name or - Element name to symbol ★ Two difficulty levels for each game mode ...