enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Alkaline earth metal - Wikipedia

   en.wikipedia.org/wiki/Alkaline_earth_metal

   The heavier alkaline earth metals react more vigorously than the lighter ones. [2] The alkaline earth metals have the second-lowest first ionization energies in their respective periods of the periodic table [4] because of their somewhat low effective nuclear charges and the ability to attain a full outer shell configuration by losing just two ...

3. Category:Groups (periodic table) - Wikipedia

   en.wikipedia.org/wiki/Category:Groups_(periodic...

   In the periodic table, a group is defined as a column. A single group can have multiple names. ... Alkaline earth metals (7 C, 12 P) C. Chalcogens (7 C, 9 P) H.

4. Names for sets of chemical elements - Wikipedia

   en.wikipedia.org/wiki/Names_for_sets_of_chemical...

   Superactinides – Hypothetical series of elements 121 to 157, which includes a predicted "g-block" of the periodic table. Transactinide elements – Elements after the actinides (atomic number greater than 103). Transplutonium elements – Elements with atomic number greater than 94. Transuranium elements – Elements with atomic number ...

5. Category:Alkaline earth metals - Wikipedia

   en.wikipedia.org/wiki/Category:Alkaline_earth_metals

   Pages in category "Alkaline earth metals" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. ...

6. List of chemical elements - Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_elements

   Dmitri Mendeleev, Russian chemist who proposed the periodic table: f-block groups 7 f-block [258] (10.3) (1100) – – 1.3 – synthetic unknown phase 102 No Nobelium: Alfred Nobel, Swedish chemist and engineer f-block groups 7 f-block [259] (9.9) (1100) – – 1.3 – synthetic unknown phase 103 Lr Lawrencium: Ernest Lawrence, American ...

7. Chemical element - Wikipedia

   en.wikipedia.org/wiki/Chemical_element

   The version of this classification used in the periodic tables presented here includes: actinides, alkali metals, alkaline earth metals, halogens, lanthanides, transition metals, post-transition metals, metalloids, reactive nonmetals, and noble gases. In this system, the alkali metals, alkaline earth metals, and transition metals, as well as ...

8. Period (periodic table) - Wikipedia

   en.wikipedia.org/wiki/Period_(periodic_table)

   It is present in Earth's oceans in large quantities in the form of sodium chloride (table salt). Magnesium (Mg) is an alkaline earth metal. Magnesium ions are found in chlorophyll. Aluminium (Al) is a post-transition metal. It is the most abundant metal in the Earth's crust. Silicon (Si) is a metalloid.

9. Periodic table - Wikipedia

   en.wikipedia.org/wiki/Periodic_table

   Periodic table of the chemical elements showing the most or more commonly named sets of elements (in periodic tables), and a traditional dividing line between metals and nonmetals. The f-block actually fits between groups 2 and 3 ; it is usually shown at the foot of the table to save horizontal space.