The best way to remember is to memorize the whole thing.By solving the problem repeatedly, you can use it for studying for the test and preparing for the exam.[How to enter the answer]If they do not match exactly, the answer will not be correct.Please be careful.(example)● When answering the element symbol of "silicon"○ (Correct answer) ・ ・ ・ Si (Enter in half-width characters, uppercase and lowercase letters)× (Incorrect answer) ・ ・ ・ Si (Enter in full-width), SI (I is uppercase), si (S is lowercase), etc.● When answering the element name of "Si"○ (Correct answer) ・ ・ ・ Silicon (Display according to the periodic table)× (Incorrect answer) ・ ・ ・ Notation such as silicon, silicon, and keisoMake sure to remember the notation according to the periodic table.