Ytterbium, atomic number 70, is the first element in the Periodic table to have the first four shells full.
a) State the number of electrons in the fourth shell/ level of ytterbium (1)
b)How many orbitals are there in the third shell of ytterbium? (1)
Please help I'm very confused
See the mnemonic I posted for you above.posted by DrBob222
Thanks for your help so far but I dont know what to write for these questions Drbob222 I only know how to answer clear questions saying "what is the configuration" so please help.posted by 0ooooooooo0