The Half-Lives of Elements Beyond Uranium Are Too Short for These

question 68

Multiple Choice

The half-lives of elements beyond uranium are too short for these elements to occur in natural deposits.But elements below uranium that have equally short half-lives do occur in natural deposits.This is because they are

• A)the small leftover of huge abundances when the Earth formed.
• B)subdued and preserved by pressures beneath the Earth.
• C)bound with longer-living elements.
• D)the products of uranium decay.

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