How does the metallic character of elements change along a period of the periodic table from the left to the right and why?(b)in the modern periodic table, the element calcium (atomic number = 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these elements have physical and chemical properties resembling those of calcium and why?
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The chemical of the same type
12.co.6
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metallic character decreasesin a period because electronegativity increases.atomic numbers 12&38 resemble with calcium because,they belongs to same group
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