The seventh row of the periodic table is now complete.
Four as-yet-unnamed chemical elements — labeled 113, 115, 117, and 118 — mark the first additions to the table since 2011. The elements, which are all classified as "superheavy" because they have more than 104 protons, were officially acknowledged by the U.S.-based International Union of Pure and Applied Chemistry on Dec. 30.
Subscribe to The Week
Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.
Sign up for The Week's Free Newsletters
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
Create an account with the same email registered to your subscription to unlock access.
-
Today's political cartoons - May 12, 2024Cartoons Sunday's cartoons - tips for Mom, worm regards, and more
-
5 brain-busting cartoons about RFK Jr.Cartoons Artists take on candidate suitability, the Kennedy family, and more
-
Right to roam: the battle to access England's green spacesThe Explainer A battle is being fought over access to England's green spaces
-
Puffed rice and yoga: inside the collapsed tunnel where Indian workers await rescueSpeed Read Workers trapped in collapsed tunnel are suffering from dysentery and anxiety over their rescue
-
More than 2,000 dead following massive earthquake in MoroccoSpeed Read
-
Mexico's next president will almost certainly be its 1st female presidentSpeed Read
-
North Korea's Kim to visit Putin in eastern Russia to discuss arms sales for Ukraine war, U.S. saysSpeed Read
-
Gabon's military leader sworn in following coup in latest African uprisingSpeed Read
-
Nobody seems surprised Wagner's Prigozhin died under suspicious circumstancesSpeed Read
-
Western mountain climbers allegedly left Pakistani porter to die on K2Speed Read
-
'Circular saw blades' divide controversial Rio Grande buoys installed by Texas governorSpeed Read
