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21-09-2020
Chemistry

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What is the chemical symbol for calcium?

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21-09-2020

Answer:

Ca

Explanation:

atomic number 20; It is the fifth element and the third most abundant metal in the earth's crust. Calcium compounds make up 3.64% of the earth's crust. The metal is trimorphic, harder than sodium, but softer than aluminum

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21-09-2020

Ca

Explanation: I took a quiz on the topic

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