Saved Bookmarks
| 1. |
Hello guys please solve these Questions 人 |
|
Answer» 2. ans Oxygen group element, also called CHALCOGEN, any of the six chemical elements making up Group 16 (VIA) of the periodic classification—namely, oxygen (O), sulfur (S), SELENIUM (Se), tellurium (TE), polonium (Po), and LIVERMORIUM (Lv). |
|