Sentences with phrase «atoms of particular elements»

The cosmic rays produced atoms of particular elements — mainly Beryllium - 10 — that built up in the rock the longer they were exposed to the sun.

Not exact matches

In certain isotopes of particular elements — species of atoms characterized by a given number of protons and neutrons — two beta decays can occur simultaneously, emitting two electrons and two antineutrinos.
In particular, the 1.55 meters of bedrock at the core's base revealed much about the island's history of glaciation, Schaefer says, in atoms that chronicle exposure to the elements.
a b c d e f g h i j k l m n o p q r s t u v w x y z