Ladies Can't Put Nail Polish, So Every Girl Try Doing Her Own Everyday Till You Look-perfect
Lanthanide Series ke Elements
NEETJEEClass 12
Yaad Karne ki List
- Lanthanum (La)
- 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)
- Lutetium (Lu)
Mnemonic Tricks
Kaise Map Hota Hai
| Cue | Maps To |
|---|---|
| Ladies | Lanthanum (La) |
| Can't | Cerium (Ce) |
| Put | Praseodymium (Pr) |
| Nail | Neodymium (Nd) |
| Polish | Promethium (Pm) |
| So | Samarium (Sm) |
| Every | Europium (Eu) |
| Girl | Gadolinium (Gd) |
| Try | Terbium (Tb) |
| Doing | Dysprosium (Dy) |
| Her | Holmium (Ho) |
| Own | Erbium (Er) |
| Everyday | Thulium (Tm) |
| You | Ytterbium (Yb) |
| Look-perfect | Lutetium (Lu) |
Kyun Yaad Rehta Hai
Ek relatable story sentence jo picture kar sako — visual scene 15 elements ko sequence mein lock kar deta hai.
Aksar Poochhe Jaane Wale Sawaal
Lanthanide mein total kitne elements hain?
Lanthanum (La, atomic number 57) se Lutetium (Lu, atomic number 71) tak total 15 lanthanide elements hain.
Lanthanides ko rare earth elements kyun kehte hain?
Historically lanthanide minerals ko rare samjha jaata tha. Reality mein most lanthanides kaafi abundant hain — cerium copper se bhi zyada common hai.
Kaun sa lanthanide radioactive hai?
Promethium (Pm) akela lanthanide hai jiska koi stable isotope nahi hai. Iske sabhi isotopes radioactive hain.
Kya lanthanides NEET aur JEE ke liye important hain?
Haan — electronic configuration, oxidation states (+3 common hai), aur lanthanide contraction pe questions regularly aate hain.