Just How Many Naturally Occurring Elements are there?
I love the periodic table and each time I revisit a site like Web Elements or PeriodicTable.com I discover something new. However, one secret of the elements not discussed there is the question of exactly how many of the elements are 'naturally-occurring'. It is often stated that there are 92 naturally occurring chemical elements. And…
SOLVED: For each of the elements below, there are only two naturally occurring isotopes. Using information in your periodic table, identify the pair in which the heavier isotope is the more abundant
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