Carbon, C has 6 valence electrons. H has 1 valence electrons so in total how much does carbons and hydrogen have together?​

Explanation:

but carbon has four Valence Electrons

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

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tony (lordcaos066)

the answer is either b or c