Which of the following belongs to group '8

Options

A. Ni, Pd, Pt
B. F, CI, Br
C. Fe, Ru, Os
D. Xe, Ar, Kr

Answer

To determine which of the given elements belongs to group 8 of the periodic table, we will analyze each option step by step.

### Step 1: Identify the Elements
The options provided are:
1. Nickel
2. Platinum
3. Fluorine
4. Chlorine
5. Bromine
6. Iron
7. Ruthenium
8. Osmium
9. Xenon
10. Argon
11. Krypton

### Step 2: Locate Group 8 in the Periodic Table
Group 8 of the periodic table consists of transition metals. The elements in this group are:
- Iron (Fe)
- Ruthenium (Ru)
- Osmium (Os)

### Step 3: Analyze Each Option
- **Nickel (Ni)**: This element belongs to group 10.
- **Platinum (Pt)**: This element belongs to group 10.
- **Fluorine (F)**: This element belongs to group 17 (halogens).
- **Chlorine (Cl)**: This element belongs to group 17 (halogens).
- **Bromine (Br)**: This element belongs to group 17 (halogens).
- **Iron (Fe)**: This element belongs to group 8.
- **Ruthenium (Ru)**: This element belongs to group 8.
- **Osmium (Os)**: This element belongs to group 8.
- **Xenon (Xe)**: This element belongs to group 18 (noble gases).
- **Argon (Ar)**: This element belongs to group 18 (noble gases).
- **Krypton (Kr)**: This element belongs to group 18 (noble gases).

### Step 4: Conclusion
From the analysis, we can conclude that the elements that belong to group 8 are:
- Iron (Fe)
- Ruthenium (Ru)
- Osmium (Os)

Thus, the correct answer to the question "Which of the following belongs to group 8?" is Iron, Ruthenium, and Osmium.