ExplanationPhilosophy of chemistryClassificationCausal reasoningThe periodic table represents and organizes all known chemical elements on the basis of their properties. While the importance of this table in chemistry is uncontroversial, the role that it plays in scientific...
2 The Periodic Table we currently use is derived from that proposed by Mendeleev in 1869 after he had noticed patterns in the chemical properties of the elements.Use the third period of the modern Periodic Table, sodium to chlorine, to answer the following questions.(a)(i) Describe how the...
2 The elements in Group 17 of the Periodic Table are called the halogens. They form stable compounds with both metals and non-metals.The table gives some dat a about F2, HCl and CaF2F2HCI CaF2boiling point/K851882773relative formul a mass38.036.578.1(a)(i) State what is meant by the...
Periodic tableThe tabular depiction of elements is done with the help of periodic table. The arrangement of elements is done on the basis of their electronic configuration as well as atomic number.Answer and Explanation: Periodic table contains chemical elements that are placed in accordance to ...
Answer and Explanation:1 Lanthanides are all elements with atomic numbers 57 to 71. The elements are metallic and are available naturally in nature. Examples include Lanthanum... Learn more about this topic: The Periodic Table Lesson for Kids: Structure & Uses ...
Some science classes will require students to memorize the periodic table of elements. However, even if this is not a requirement, having the table memorized may still come in handy, especially in more advanced courses. At first glance, the periodic tabl
It came out very ugly, so I used a grinder, table top belt sander, and wire brush in the drill press to machine it into a cleaner cylinder with a pleasing texture on the surface. I got the wire from a building center in the mid 1990s. Aluminum wiring is used today only for large...
It is rated on a scale of 0 to 4, and it increases as you proceed up and to the right on the table. Fluorine is the most electronegative element, and francium is the least. The electron configuration is how the electrons are organized into sub-shells. A more in-depth explanation is ...
Answer and Explanation: There is not a clear reason why the periodic table was developed other than it was a simple way of organizing data. When scientists collect data they...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our ...
Explanation & Link –A mnemonic for all 118 Elements of the Periodic Table. These mnemonics are for the symbols rather than the English names. For example, Tungsten is represented by “With” for its symbol W. Available in song/video format at: ...