Question

Написати про елементи лантанойти​

Answer 1

Ответ:

Лантано́иды (лантани́ды) — семейство, состоящее из 15 химических элементов III группы 6-го периода периодической таблицы — металлов, с атомными номерами 57—71 (от лантана до лютеция). Все представители семейства имеют стабильные изотопы, кроме прометия.

Объяснение:

1. вот ответ

Answer 2

Elements of the Lanthanide Series

The lanthanide series is a group of 15 metallic elements that are part of the periodic table. These elements are also known as the lanthanides or rare earth elements. They are located in the f-block of the periodic table, specifically in period 6. The lanthanide series starts with the element lanthanum (La) and ends with the element lutetium (Lu).

Here are the elements of the lanthanide series in order:

1. Lanthanum (La) 2. Cerium (Ce) 3. Praseodymium (Pr) 4. Neodymium (Nd) 5. Promethium (Pm) 6. Samarium (Sm) 7. Europium (Eu) 8. Gadolinium (Gd) 9. Terbium (Tb) 10. Dysprosium (Dy) 11. Holmium (Ho) 12. Erbium (Er) 13. Thulium (Tm) 14. Ytterbium (Yb) 15. Lutetium (Lu)

Key Points: - The lanthanide series consists of 15 metallic elements. - These elements are located in the f-block of the periodic table. - The lanthanide series starts with lanthanum (La) and ends with lutetium (Lu).

Please let me know if there is anything specific you would like to know about the lanthanide series or any of its elements!