<ul><li>Chinese researchers have created a brand-new type of atomic nucleus, protactinium-210, which is the most neutron-deficient version of the element ever made.</li><li>The discovery, published in Nature Communications, marks a significant milestone in nuclear physics and offers insights into atomic nuclei.</li><li>Only about 3,300 of the estimated 7,000 possible isotopes have been produced and studied in laboratories to date, making the creation of protactinium-210 a rare achievement.</li><li>This breakthrough, achieved at the China Accelerator Facility for Superheavy Elements, showcases China's growing role in nuclear science and opens avenues for future experiments with even heavier and rarer elements.</li></ul>

Scientists build one of the rarest atoms on Earth

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