Find the answer that best completes the statements.



1. The properties of cadmium and zink are ____.

a. comparable b. identical

2. The ionic radius of copper is _____ to that of cadmium.

a. similar b. equal

3. _____ mercury, cadmium has a high boiling point.

a. like b. compared to

4. The melting points of cadmium and zink are ____ those of silver and gold.

a. lower than b. as low as

5. Copper and gold have ____ high boiling points.

a. comparatively b. equally

6. The atomic radius of cadmium is ____ that of mercury.

a. as high as b. not as high as

7. The specific gravity of cadmium and copper are ____.

a. similar b. identical