Which of the following elements are known as Lanthanoides 1. Elements from atomic number 51 (Lanthanum) to 70 (Herbium) 2. Elements from atomic number 89 (Actinium) to 102 (Nobelium) 3. Elements from atomic number 11 (Sodium) to 18 (Argon) 4. Elements from atomic number 37 (Rubedium to 54 (Xenon)