Answer: potassium
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Based on its location on the periodic table which metal is likely to be less reactive than rubidium and more reactive than calcium?
Sodium is a chemical element with the symbol Na (from Latin "natrium") and atomic number 11. It is a soft silvery-white highly reactive metal .Sodium is an alkali metal being in group 1 of the periodic table . Its only stable isotope is 23 Na. The free metal does not occur in nature and must be prepared from compounds.
Sep 16 2002 · The s-block is on the left side of the conventional periodic table and is composed of elements from the first two columns the nonmetals hydrogen and helium and the alkali metals (in group 1) and alkaline earth metals (group 2). Their general valence configuration is ns 1–2. Helium is an s-element but nearly always finds its place to the far right in group 18 above the p-element neon.
Block (periodic table) - Wikipedia
Block (periodic table) - Wikipedia
Alkaline earth metal - Wikipedia
Alkaline earth metal - Wikipedia
Sat Dec 22 2001 · The alkaline earth metals are six chemical elements in group 2 of the periodic table .They are beryllium (Be) magnesium (Mg) calcium (Ca) strontium (Sr) barium (Ba) and radium (Ra). The elements have very similar properties: they are all shiny silvery-white somewhat reactive metals at standard temperature and pressure.. Structurally they (together with helium) have in common an …
Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft silvery alkaline earth metal .Because of its high chemical reactivity barium is never found in nature as a free eleme...
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