The lowest melting point metals among d-block metais belongs to

Options

A. Group 3
B. Group 11
C. Group 6
D. Group 12

Answer

To determine which group among the d-block metals has the lowest melting point, we can follow these steps:

### Step 1: Identify the Groups
The d-block elements are found in groups 3 to 12 of the periodic table. We need to analyze the elements in each of the groups mentioned in the question:
- Group 3
- Group 11
- Group 6
- Group 12

### Step 2: List the Elements in Each Group
- **Group 3**: Scandium (Sc), Yttrium (Y)
- **Group 11**: Copper (Cu), Silver (Ag), Gold (Au)
- **Group 6**: Chromium (Cr), Molybdenum (Mo), Tungsten (W)
- **Group 12**: Zinc (Zn), Cadmium (Cd), Mercury (Hg)

### Step 3: Determine the Melting Points
Next, we need to look up the melting points of the metals in these groups:
- **Group 3**: Scandium (Sc) - 1541 °C, Yttrium (Y) - 1526 °C
- **Group 11**: Copper (Cu) - 1085 °C, Silver (Ag) - 961.8 °C, Gold (Au) - 1064 °C
- **Group 6**: Chromium (Cr) - 1907 °C, Molybdenum (Mo) - 2623 °C, Tungsten (W) - 3422 °C
- **Group 12**: Zinc (Zn) - 419.5 °C, Cadmium (Cd) - 321 °C, Mercury (Hg) - -38.83 °C

### Step 4: Compare the Melting Points
From the melting points listed:
- The lowest melting point in Group 3 is Scandium (1541 °C).
- The lowest melting point in Group 11 is Silver (961.8 °C).
- The lowest melting point in Group 6 is Chromium (1907 °C).
- The lowest melting point in Group 12 is Mercury (-38.83 °C).

### Step 5: Conclusion
Based on the melting points, Mercury (from Group 12) has the lowest melting point among the d-block metals.

### Final Answer
The lowest melting point metals among d-block metals belong to **Group 12**.

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