The element having electronegativity next of that of fluorine is

Options

A. oxygen
B. chlorine
C. idoine
D. sodium

Answer

To find the element with electronegativity next to that of fluorine, we can follow these steps:

### Step 1: Understand Electronegativity
Electronegativity is the tendency of an atom to attract shared electrons in a chemical bond. It is a measure of how strongly an atom can attract electrons.

**Hint:** Remember that electronegativity increases across a period and decreases down a group in the periodic table.

### Step 2: Identify the Most Electronegative Element
Fluorine is known to be the most electronegative element in the periodic table, with an electronegativity value of 4.0 on the Pauling scale.

**Hint:** Fluorine is in Group 17 (the halogens) and is located in Period 2.

### Step 3: Look for the Next Most Electronegative Element
The next element in terms of electronegativity after fluorine is oxygen, which is also in Period 2 but is to the left of fluorine in the periodic table.

**Hint:** Check the elements in Period 2: Lithium (Li), Beryllium (Be), Boron (B), Carbon (C), Nitrogen (N), Oxygen (O), Fluorine (F).

### Step 4: Compare Electronegativity Values
Oxygen has an electronegativity value of 3.5, which is the next highest after fluorine.

**Hint:** Remember that electronegativity values decrease as you move down a group and increase as you move across a period from left to right.

### Step 5: Conclusion
Therefore, the element having electronegativity next to that of fluorine is oxygen.

**Final Answer:** Oxygen (O)