Practicing Success
Which of the following are members of 15 naturally occurring metallic chemical elements whose atomic numbers are between 57 and 71? |
Alkali Metals Lanthanides Halogens Actinides |
Lanthanides |
The correct answer is option 2. Lanthanides. The members of the 15 naturally occurring metallic chemical elements whose atomic numbers are between 57 and 71 are Lanthanides. Therefore, the correct option is: Lanthanides |