Articles sur Superheavy elements

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It turns out that the world is about 4,600,000,000 years old. That’s 4.6 billion years. That’s pretty old! Marcella Cheng/The Conversation

Curious Kids: How do scientists work out how old the Earth is?

The world is made of tiny building blocks called 'elements'. Scientists have worked out how fast some elements change into other elements. That gives us a very big clue about how old the Earth is.
Element 117 is unofficially named ununseptium which is Latin for 117. Flickr/Larry

Something new and superheavy at the periodic table

The hunt for long-lived superheavy elements has taken another leap forward now we’ve confirmed the existence of Element 117, also known as ununseptium. It was first seen briefly by a team of US and Russian…

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