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Chemistry, 29.11.2019 05:31 volleyballfun24

Which of the following is an element?
a. zinc metal (zn)
b. carbon monoxide gas (co)
c. magnesium chloride salt (mgcl)
d. hydrochloric acid (hcl)?

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Which of the following is an element?
a. zinc metal (zn)
b. carbon monoxide gas (co)...
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