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The Periodic Table of Elements
Dmitri Mendeleev generally is credited with the creation of the first periodic table, which charts the chemical elements by atomic number and valence shell electron configuration.
Browse Elements:

en.wikipedia.org/wiki/Alkali_metal

The alkali metals are a group (column) in the periodic table consisting of the chemical elements ... Caesium, the fifth alkali metal, is the most reactive of all the metals. ... sketchier because the bulk element has never been observed; hence any data that may be found in the literature are certainly speculative extrapolations.

www.thoughtco.com/most-reactive-metal-on-the-periodic-table-608801

Feb 8, 2017 ... Learn which is the most reactive metal on the periodic table and how to use the metal activity series to predict reactivity.

www.reference.com/science/reactive-metals-found-periodic-table-3d35a9ddc6acfbe9

The most reactive metals found on the periodic table are the alkali metals, which are lithium, sodium, potassium, rubidium, caesium and francium. The alkali ...

socratic.org/questions/what-are-the-most-reactive-metals-according-to-the-metal-activity-series

Aug 12, 2016 ... In the Periodic Table, electronegativity tends to increase from bottom to top and from left to right. So the most active metals tend to be at the ...

www.chemicalelements.com/groups/alkali.html

The alkali metals, found in group 1 of the periodic table (formerly known as group IA), are ... Cesium and francium are the most reactive elements in this group.

chemed.chem.purdue.edu/genchem/topicreview/bp/ch9/activity.php

The most active metals are so reactive that they readily combine with the O2 and ... These metals are found exclusively in Groups IA and IIA of the periodic table.

www.modelscience.com/PeriodicTable.html

The alkali metals, found in group 1 of the periodic table, are highly reactive ... All the elements of Actinides series are radioactive and most are synthetic, that is, ...

www.studystack.com/flashcards-1254097

What best describes elements found in a column of the periodic table? The elements have ... Why are alkali metals the most reactive group in the periodic table?

www.dynamicscience.com.au/tester/solutions1/chemistry/Reactive%20metals.htm

Sodium is one of the most reactive metals that reacts vigorously with water to release ... The most reactive metals are found on the left of the periodic table, in the ...