Mnemonics: Classification of Elements & Periodicity in Properties | Chemistry Class 11 - NEET PDF Download

Introduction

The Periodic Table organizes elements based on their properties and similarities, helping us understand chemical reactions and behaviors. Elements are arranged into groups (vertical columns) and periods (horizontal rows). Here are simple mnemonics to help you remember the sequence of elements in some key groups and periods.

Group-wise Mnemonics

Group 1 : Alkali Metals 

Mnemonic: "Happy Lions Nap Peacefully Right Close to Fire"

• Happy - Hydrogen (Symbol: H)
• Lions - Lithium (Symbol: Li)
• Nap - Sodium (Symbol: Na)
• Peacefully - Potassium (Symbol: K)
• Right - Rubidium (Symbol: Rb)
• Close - Cesium (Symbol: Cs)
• Fire - Francium (Symbol: Fr)

Group 2: Alkaline Earth Metal 

Mnemonic : "Best Movies Cause Serious Buzz Really"

• Best - Beryllium (Symbol: Be)
• Movies - Magnesium (Symbol: Mg)
• Cause - Calcium (Symbol: Ca)
• Serious - Strontium (Symbol: Sr)
• Buzz - Barium (Symbol: Ba)
• Really - Radium (Symbol: Ra)

Group 13: Boron Group 

Mnemonic : "Brave Alligators Go In Tunnels"

• Brave - Boron (Symbol: B)
• Alligators - Aluminium (Symbol: Al)
• Go - Gallium (Symbol: Ga)
• In - Indium (Symbol: In)
• Tunnels - Thallium (Symbol: Tl)

Group 14: Carbon Group

Mnemonic : "Curious Scientists Grab Some Leaves"

• Curious - Carbon (Symbol: C)
• Scientists - Silicon (Symbol: Si)
• Grab - Germanium (Symbol: Ge)
• Some - Tin (Symbol: Sn)
• Leaves - Lead (Symbol: Pb)

Group 15: Nitrogen Group

Mnemonic : "Noble People Are Strong Beings"

• Noble - Nitrogen (Symbol: N)
• People - Phosphorus (Symbol: P)
• Are - Arsenic (Symbol: As)
• Strong - Antimony (Symbol: Sb)
• Beings - Bismuth (Symbol: Bi)

Group 16: Oxygen Group (Chalcogens)

Mnemonic : "Only Smart Scientists Take Precautions"

• Only - Oxygen (Symbol: O)
• Smart - Sulfur (Symbol: S)
• Scientists - Selenium (Symbol: Se)
• Take - Tellurium (Symbol: Te)
• Precautions - Polonium (Symbol: Po)

Group 17: Halogens

Mnemonic : "Fluffy Cats Bring In All Ice"

• Fluffy - Fluorine (Symbol: F)
• Cats - Chlorine (Symbol: Cl)
• Bring - Bromine (Symbol: Br)
• I - Iodine (Symbol: I)
• All - Astatine (Symbol: At)

Group 18: Noble Gases

Mnemonic : "He Never Acts Kind, X-rays Radiate Now!"

• He - Helium (Symbol: He)
• Never - Neon (Symbol: Ne)
• Acts - Argon (Symbol: Ar)
• Kind - Krypton (Symbol: Kr)
• X-rays - Xenon (Symbol: Xe)
• Radiate- Radon (Symbol: Rn)

D- Block Elements 

Period 4 : 3d Series 

Mnemonic: "Shiv Took Vishal’s Courageous March, Fighting Constant Nights Calmly, Zealously!"

• Shiv - Scandium (Symbol: Sc)
• Took - Titanium (Symbol: Ti)
• Vishal’s - Vanadium (Symbol: V)
• Courageous - Chromium (Symbol: Cr)
• March - Manganese (Symbol: Mn)
• Fighting - Iron (Symbol: Fe)
• Constant - Cobalt (Symbol: Co)
• Nights - Nickel (Symbol: Ni)
• Calmly - Copper (Symbol: Cu)
• Zealously - Zinc (Symbol: Zn)

Period 5 : 4d Series

Mnemonic: "Yash's Zooming Near Mountain Top, Carefully Rushing Past Amazing Creatures!"

• Yash's - Yttrium (Symbol: Y)
• Zooming - Zirconium (Symbol: Zr)
• Near - Niobium (Symbol: Nb)
• Mountain - Molybdenum (Symbol: Mo)
• Top - Technetium (Symbol: Tc)
• Carefully - Ruthenium (Symbol: Ru)
• Rushing - Rhodium (Symbol: Rh)
• Past - Palladium (Symbol: Pd)
• Amazing - Silver (Symbol: Ag)
• Creatures - Cadmium (Symbol: Cd)

Period 6 : 5d Series

Mnemonic: "Lalith Chose Pretty Neat Precious Stones, Seeking Eternal Greatness Daily."

• Lalith - Lanthanum (Symbol: La)
• Chose - Cerium (Symbol: Ce)
• Pretty - Praseodymium (Symbol: Pr)
• Neat - Neodymium (Symbol: Nd)
• Precious - Promethium (Symbol: Pm)
• Seeking - Samarium (Symbol: Sm)
• Eternal - Europium (Symbol: Eu)
• Greatness - Gadolinium (Symbol: Gd)
• Daily - Dysprosium (Symbol: Dy)

These mnemonics help make remembering the periodic table groups and periods easier. Each group and period has unique properties, and these memory aids will support understanding these elements and how they interact. Keep these phrases in mind, and reviewing the periodic table will be a breeze!