Mnemonics are catchy lines or phrases one can use to memorize and recall concepts that generally leave you scratching your head, trying to remember them. In this article, there are mnemonics given – one each for every group – to make it easier to learn the 118 elements of the Periodic Table
The Periodic Table constitutes of the names, atomic numbers, symbols and atomic weights of known elements. It comes in very handy in solving chemistry problems.
A periodic table is divided into groups (columns), where elements with each group behave similarly while bonding with other elements; and periods (rows), where elements in one period have same number of electron shells.
Here are some unique, fun and catchy mnemonics to help memorize the elements along each group or period:
Way to Read These Mnemonics:
These sentences contain letters denoting symbols of elements in the same order as they occur in a group or period.
Group 1 is known as alkali metals. It includes Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Ru), Caesium (Cs), and Francium (Fr)
(H, Li, Na, K, Rb, Cs, Fr)
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Group 2 is known as alkaline earth metals. It includes Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Br), and Radium (Ra)
(Be, Mg, Ca, Sr, Ba, Ra)
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Group 13 is known as Boron group or the group of Icosagens or Triels. It includes Boron (B), Aluminium (Al), Gallium (Ga), Indium (In), and Thallium (Tl)
(B, Al, Ga, In, Tl)
B A G I T
Group 14 is known as Carbon group or the group of Crystallogens, Tetragens or Tetrels. It includes Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn), and Lead (Pb)
(C, Si, Ge, Sn, Pb)
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Group 15 is known as the group of Pnictogens or Nitrogen group. It includes Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb), and Bismuth (Bi)
(N, P, As, Sb, Bi)
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Group 16 is known as the group of Chalcogens or Oxygen group. It includes Oxygen (O), Sulphur (S), Selenium (Se), Tellurium (Te), and the radioactive element Polonium (Po)(O, S, Se, Te, Po)
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Group 17 is known as the group of Halogens. It includes Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), and Astatine (At)
(F, Cl, Br, I, At)
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Group 18 is known as the group of Noble gases, excluding Helium. Normally, they are all odorless and colorless gases with very low chemical reactivity. The group includes Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and the radioactive Radon (Rn).
(He, Ne, Ar, Kr, Xe, Rn)
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Period 4 elements are quite stable and many of them are very common in earth’s crust or core or both. D-block elements it includes are Scandium (Sc), Titanium (Ti), Vanadium (V), Chromium (Cr), Manganese (Mn), Iron (Fe), Cobalt (Co), Nickel (Ni), Copper (Cu) and Zinc (Zn)
(Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn)
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Period 5 The elements of this period show many exceptions to Madelung rule. D-block elements it includes are Yttrium (Y), Zirconium (Zr), Niobium (Nb), Molybdenum (Mo), Technetium (Tc), Ruthenium (Ru), Rhodium (Rh), Pd (Palladium), Silver (Ag) and Cadmium (Cd)
(Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd)
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Period 6 includes the lanthanides or rare earths. Some of these transition metals are very valuable such as gold. D-block elements it includes are Lutetium (Lu), Hafnium (Hf), Tantalum (Ta), Tungsten (W), Rhenium (Re), Osmium (Os), Iridium (Ir), Platinum (Pt), Gold (Au) and Mercury (Hg)
(La, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg)
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Period 7 contains the radioactive elements only. It includes actinides which include the heaviest naturally occurring element Californium. All other elements are synthesized artificially. D-block elements
it includes are Actinium (Ac), Rutherfordium (Rf), Dubnium (Db), Seaborgium (Sg), Bohrium (Bh), Hassium (Hs), Meitnerium (Mt), and Darmstadtium (Ds)
(Ac, Rf, Db, Sg, Bh, Hs, Mt, Ds)
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Inner transition elements. They can be divided into Lanthanides (also known as rare earth elements) and Actinides that are highly reactive to halogens and chalcogens like lanthanides but they react more easily.
Lanthanides include Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), Promethium (Pm), Samarium (Sm), Europium (Eu), Gadolinium (Gd), Terbium (Tb), Dysprosium (Dy), Holmium (Ho), Erbium (Er), Thulium (Tm), Ytterbium (Yb) and Lutetium (Lu).
(Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu)
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Actinides includes Thorium (Th), Protactinium (Pa), Uranium (U), Neptunium (Np), Plutonium (Pu), Americium (Am), Curium (Cm), Berkelium (Bk), Fermium (Fm), Mendelevium (Md), Nobelium (No), and Lawrencium (Lr)
(Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Lr)
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