Monday, 19 January 2015

Learning Periodic Table Tips & Tricks

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The Periodic Table provides the names, atomic numbers, symbols and atomic weights of known elements.

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 fun, interesting and naughty mnemonics in Hindi used by students to memorize elements along each group or period:


S-Block Elements

Consisting of the first two groups, S-block elements have quite similar physical and chemical properties. The valence electrons of the elements in this block occupy s-orbitals.

Group 1 is known as alkali metals. It includes Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Ru), Caesium (Cs), and Francium (Fr).

 1.         HaLiNa Ki Rub Cse Fariyaad
                       
 2.         LiNa Ki Ruby Cse Friendship hai.


Group 2 is known as alkaline earth metals. It includes Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Radium (Ra).
                         
 1.       Beta Mange Car Scooter Baap Roa


P-Block Elements

Consisting of last six groups of the periodic table (Groups 13 to 18), P-block elements have their valence electrons occupying p-orbitals.  This block consists of non-metals, semi-metals and poor metals.

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).

  1.  B A G I T

  2. Bagan Aloo Gajar In Thalla

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).

  1. Chemistry Sir Gives Sanki Problems

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).

1. Nahi Pasand Aise Sab Bhai
2. Nana Pathekar Asli Sab Bighari 

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).

1. Oh! Style Se Tel Polish
2. Ore Sanam Se Tel Poche


Group 17 is known as the group of Halogens. It includes Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), and Astatine (At).
                       
1. Fir Call kar Bahaar AayI Aunty

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).
                       
1. He Never Arrived; Kara Xero Run pe out.

D-Block Elements

D-Block elements consist of element groups 3 to 12 that correspond to the filling of the d-orbital subshell of the second outermost shell. Groups 3 to 11 are also known as transitional metals. Group 12 elements, which have its d subshell completely filled, are also known as post-transition elements.

D-block elements and F-block elements show considerable similarities across the periods too.
We can memorize these elements across the periods:

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).

  Science Ti(ea)cher Vineeta Criplani Man Fenko (FeCo) Ni Kyun(Cu) Zaan hai?

Period 5 elements are known to fill their 5s shell first, then 4d shells and then 5p shells, with rhodium being the exception. The elements of this period show many exceptions to Maledung 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).

  Yeh Zarra Nabi bana Mohabaat mein T(c)eri, R(u)o R(h)o P(d)ukarogi Aaj(g) ise Chandni

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).

 L(u)a HafTa Warna Reh Us(Os) Irritating Popat ke saath Aur Hoj(g)a pagal

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).

  Ak(c)ele R(f) D(b) S(g)harma ki B(h)ook mein H(s)ain Maths ke Difficult sawaal



F-Block Elements

F-block elements have their valence electrons in f-orbitals. They are also known as 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).

      FRIENDS ITS A BIT LONG ONE SO LEARN IT IN 3 STEPS


Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), Promethium (Pm), and Samarium (Sm)

Celina aur Priety Ne dande se Pammy aur Simmy ko mara


Europium (Eu), Gadolinium (Gd), Terbium (Tb), Dysprosium (Dy), and Holmium (Ho)
                       
 Europe G(d)aya to TB(b) aur Di(y)arrohoea Ho gaya.

  Erbium (Er), Thulium (Tm), Ytterbium (Yb) and Lutetium (Lu)

 E re, dekh Tamatar Yellow aur bLue hain



Actinides include these f-block elements – 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).

We can learn all these in three parts too:

Thorium (Th), Protactinium (Pa), Uranium (U), and Neptunium (Np)
                         
 Thode Pehelwan Unse Niptengey

Plutonium (Pu), Americium (Am), Curium (Cm), Berkelium (Bk)
                 
Purane Aam K(C)am Bikenge.

Fermium (Fm), Mendelevium (Md), Nobelium (No), and Lawrencium (Lr)
              
Itni Family aMdani mein No Ladki rajee



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Saturday, 15 November 2014

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