How many elements exist naturally and artificially????? Help!!???? please...?

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How many elements exist naturally and artificially????? Help!!???? please...?

2006-11-02 11:22:10 · 2 answers · asked by Breanna M 1 in Education & Reference ➔ Homework Help

2 answers

92 elements exist naturally, but I'm not sure how many are man-made.

2006-11-02 11:31:11 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Uranium (number 92) is the last naturally occurring element on the Periodic Table, however, technetium (number 43) is artificially made, bringing the total to 91 that are truly found in nature.

That leaves 23 others (plus Tc) that are artificial.

Keep working on the 'chemistry ish' material.

2006-11-02 13:25:38 · answer #2 · answered by teachr 5 · 0⤊ 0⤋