元素周期表专业版(Periodic Table PRO)是一款专门为化学这门学科打造的一款专业的元素周期表学习软件,有了他你就能够随时把元素周期表带在身上,元素周期表想背就背,不浪费任何学习的机会。元素周期表专业版提供了每个元素的详细资料、元素分类及元素背诵口诀此引用可满足中学到大学师生及化学专业人士的使用需求所有元素...
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 standard table provides the necessary basics. There are also other methods for displaying the chemical elements for more details or different perspectives.Standard periodic table Group’ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Period 1 1 H 2 He 2 3 Li 4 Be 5 B ...
图片参考：upload.wikimedia/ *** /zh/c/c3/Periodic-table Standard periodic table Group → 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ↓ Period 1 1 H 2 He 2 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne 3 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl...
group table, the principal improvement being the correct repositioning of 17 elements. He, as well asLothar Meyer, also proposed a table with eight columns obtained by splitting each of the long periods into a period of seven, an eighthgroupcontaining the three central elements (such asiron,...
Explore the chemical elements through this periodic table Group123456789101112131415161718 Period 1 1 H 1.008 Hydrogen 2 He 4.0026 Helium 2 3 Li 6.94 Lithium 4 Be 9.0122 Beryllium 5 B 10.81 Boron 6 C 12.011 Carbon 7 N 14.007 Nitrogen 8
There are 7 periods of elements that group elements with similar properties. Period 1 contains two elements, helium and hydrogen while period 7 contains radioactive elements. The rare earth elements are found in period 6. Many period 6 elements are toxic, heavy, and radioactive. ...
In the periodic table of the elements, elements are arranged in a series of rows (or periods) so that those with similar properties appear in vertical columns. Elements of the same period have the same number of electron shells; with each group across a period, the elements have one more ...
In the periodic table, the elements are placed into a certain period and group based on electronic configurations that originate from the Pauli and Aufbau principles for the electrons surrounding a positively charged nucleus. This order enables us to approximately predict the chemical and physical ...
Periodic Table Scavenger Hunt 1. Which element is a metal: Ba (56) or At (85)? 2. Which period is Ca (20) in? 3. What is the number of the group N (7) is in? 4. Which element is an alkali metal: Rb (37) or Al (13)? 5. Which element is a halogen: Na (11) or Cl...