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Calcium is a chemical element with the symbol Ca and atomic number 20. It is an alkaline earth metal.
(Source: Library Lyna)
Radium is a chemical element with the symbol Ra and atomic number 88. It is a alkaline earth metals.
Barium is a chemical element with the symbol Ba and atomic number 56. It is a soft, silvery alkaline earth metal.
Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid alkaline earth metals.
Strontium is the chemical element with the symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly chemically reactive.
Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare element in the universe.
Chemistry experiments with salts demonstrate the following: neutralization; neutral, alkaline, and acid solutions; preparing zinc sulfide and sodium chloride; and the formation of ammonium chloride.
(Source: DCMP)
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3D models and images of the entire periodic table of elements
A collection containing 118 resources, curated by Library Lyna
