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True. The first elements to be identified were mainly gases, such as hydrogen, nitrogen, oxygen, and others. These gases were identified during the study of gases emitted by various chemical processes and reactions.

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The first periodic table of elements was created in 1955.?

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The first periodic table of elements was created in 1995?

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How was the existence of microbes discovered?

it was first indentified by an tony wan leewenhook in stagnent pond water


How was the existence microbes discovered?

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An English scientist created the first periodic table true or false?

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What are the bases of making symbols?

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The first element in a compound is positive and the second one is negative.?

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