Atomic Number Quick Check

1.An element is highly conductive, highly reactive, soft, and lustrous. The element most likely belongs to which group?

C. Alkali Metals

2. How is mercury different from other metallic elements?

A. It is not solid under normal conditions

3. based on patterns in the periodic table which element is the least malleable in its solid state

A. Phosphorus (P)

4. In which group of elements does tellurium (Te) belong?

B. Metalloids

5. Which statement describes the properties of lanthanoids and actinoids?

D. They are malleable and Lustrous, and they tend to conduct both electricity and thermal energy