Group VIII of Mendeleef's periodic table contains

Options

A. 6 elements
B. 12 elements
C. 3 elements
D. 9 elements

Answer

To solve the question regarding the number of elements in Group VIII of Mendeleev's periodic table, we can follow these steps:

### Step 1: Understand the Question
The question asks how many elements are present in Group VIII of Mendeleev's periodic table.

**Hint:** Familiarize yourself with the structure of Mendeleev's periodic table and the groups it contains.

### Step 2: Recall the Elements in Group VIII
Group VIII of Mendeleev's periodic table includes elements that are known for their transition metal properties. We need to identify these elements.

**Hint:** Transition metals are typically found in the central block of the periodic table.

### Step 3: List the Elements
The elements in Group VIII are:
1. Iron (Fe)
2. Cobalt (Co)
3. Nickel (Ni)
4. Ruthenium (Ru)
5. Rhodium (Rh)
6. Palladium (Pd)
7. Osmium (Os)
8. Iridium (Ir)
9. Platinum (Pt)

**Hint:** Count the elements carefully to ensure accuracy.

### Step 4: Count the Elements
Now, we count the elements listed above. There are a total of 9 elements in Group VIII.

**Hint:** Double-check your count to confirm the total number of elements.

### Step 5: Choose the Correct Option
Based on our findings, we can conclude that Group VIII contains 9 elements. Therefore, the correct answer is option D.

**Hint:** Compare your conclusion with the answer choices provided to ensure they match.

### Final Answer:
Group VIII of Mendeleev's periodic table contains **9 elements**.

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