Exam All Answers and Illustrations
Given
Periods - 🧠ANSWER ✔✔Each horizontal row of the periodic table.
Groups / families - 🧠ANSWER ✔✔Each vertical column. Have similar chemical
properties and similar electron configurations.
Demitri Mendeleev - 🧠ANSWER ✔✔Made the first periodic table. He was writing
a textbook and wanted to organize the 63 elements known at that time. He based
his organization similar to the card game of solitaire.
Increasing mass - 🧠ANSWER ✔✔Mendeleev organized his periodic table in
horizontal rows in order of...
Fluorine - 🧠ANSWER ✔✔The most active nonmetal.
Right - 🧠ANSWER ✔✔Nonmetals are to the ________ of the zigzag line.