Answer:
Step-by-step explanation:
The element with the highest electronegativity among the options provided is option c) Ca (calcium). Electronegativity is the measure of an atom's ability to attract electrons towards itself in a chemical bond. It increases across a period from left to right in the periodic table.
In this case, we can determine the element with the highest electronegativity by looking at their positions in the periodic table. Calcium (Ca) is located to the right of strontium (Sr), magnesium (Mg), and barium (Ba) in the periodic table. As we move from left to right across a period, the electronegativity generally increases. Therefore, calcium (Ca) has the highest electronegativity among the given options.
It's important to note that electronegativity is a relative measure, and the exact values can vary depending on the scale used.