Editing 2022-2023 Ions That NEED To Be Memorized

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Part I : Ions Directly from Periodic Table 
*All metals, charges are positive and is the number of column from Left to right of Periodic Table (Na1+ - sodium ion)
*All non-metals, charge is negative and is the number of column from Right to Left from Noble Gases (S2- - sulfide ion)
*Only Hydrogen has both, H1+ - Hydrogen ion and H1- - Hydride ion 
 
 
Part II : Here are the Polyatomic Ions that 2022-2023 students NEED TO MEMORIZE 
 
*Phosphate, PO43- 
*Sulfate, SO42- 
*Nitrate, NO31-
*Hydroxide, OH1-
*Carbonate <nowiki>CO</nowiki>32-
*Ammonium <nowiki>NH</nowiki>41+ (Only CATION POLYATOMIC IONS) 
 
 
Part III : Cations with More than One Charge and a Few Cations can figure out from Periodic Table (NEED TO MEMORIZE) 
 
*Copper (I) - Cu1+ 
*Copper (II) - Cu2+ 
*Iron (II) - Fe2+ 
*Iron (III) - Fe3+ 
*Silver - Ag1+ 
*Zinc - Zn2+ 
*Nickel - Ni2+

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