Match the following and choose the correct answer :
Type | Symbol of the element |
a) Alkali earth metal | 1. Rb |
b) Radioactive element | 2. As |
c) Alkali metal | 3. Mg |
d) Metalloid | 4. Fr |
Match the following and choose the correct answer :
Type | Symbol of the element |
a) Alkali earth metal | 1. Rb |
b) Radioactive element | 2. As |
c) Alkali metal | 3. Mg |
d) Metalloid | 4. Fr |