3.01 Quiz: Atomic Number and the Periodic Law
ps
Which of the following characteristics was not included in Dmitri Mendeleev's periodic table?

distribution of elements determined by electron configuration

What is the primary atomic characteristic that Mendeleev used to organize the periodic table?

atomic mass

Mendeleev left several blank spaces in his original periodic table. What did those spaces represent?

elements that had yet to be discovered

According to the periodic law, what is the relationship between elements and periods?

Element properties repeat from period to period.

Which of these sets of elements has similar properties? Consult the periodic table.
strontium, magnesium, calcium, beryllium

the Aufbau rule, the Pauli rejection guideline, and Hund's rule,tell you how to discover the electron designs of particles. As indicated by the aufbau standard, electrons possess the orbitals of most reduced vitality first, Pauli-prohibition rule, and Hund's Rule. The electronic setup of cations is doled out by evacuating electrons first in the peripheral p orbital, trailed by the s orbital lastly the d orbitals.