To determine the electronegativity order of the given elements according to the Pauling scale, we need to understand the concept of electronegativity. Electronegativity is the tendency of an atom to attract a shared pair of electrons. The Pauling scale is commonly used to measure electronegativity, where higher values indicate a stronger ability to attract electrons.
- Identifying the electronegativity values:
- Carbon (C): 2.55
- Sodium (Na): 0.93
- Beryllium (Be): 1.57
- Bromine (Br): 2.96
- Arranging the elements in increasing order: We need to arrange these elements in increasing order of their electronegativity values.
- The element with the lowest electronegativity is Sodium (Na) with 0.93.
- Next is Beryllium (Be) with 1.57.
- Followed by Carbon (C) with 2.55.
- The element with the highest electronegativity is Bromine (Br) with 2.96.
- Conclusion: The increasing order of electronegativity is Na, Be, C, Br. This matches the correct answer provided, which is
Na, Be, C, Br
.
To summarize, by understanding the electronegativity values on the Pauling scale, we have correctly identified the order of the elements based on their ability to attract electrons.