STRONTIUM ION
Strontium - definition from Biology-Online.org
[(Science: chemistry) A metallic element of the calcium group, always naturally occurring combined, as in the minerals strontianite, celestite, etc. It is isolated as a yellowish metal, somewhat malleable but harder than calcium. It is chiefly employed (as in the nitrate) to colour pyrotechnic flames red. symbol sr. atomic weight 87.3. Origin: NL. See Strontia.
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