Chinese person: “You guys should probably take action and stop this.”
Liberals as they are being lined up against the wall by fascist paramilitaries on orders of Supreme-President Generalissimo Tom Cotton for the charge of being last seen interacting with a Trans person: “But the Uyghurs-!”
(I swear, after this, if I see the word “whataboutism” once, I’m going to flip a table)
Well, do they have common features along 2 dimensions? Atoms are arranged by common orbital configurations.
I thought it was # of protons
It's both. Proton number increases as you move from top left to bottom right, but electron number also increases. The rows represent the highest occupied orbitals and columns represent how many electrons are in that orbital. https://chem.libretexts.org/@api/deki/files/1281/PeriodicTable2.jpg