list these elements in order of decreasing electronegativity. sr, be, ca, mg → ____, ____, ____, ____
list these elements in order of decreasing electronegativity. sr, be, ca, mg → ____, ____, ____, ____
Answer
Explanation:
Step1: Recall electronegativity trend
Electronegativity decreases down a group in the periodic table. Be (beryllium), Mg (magnesium), Ca (calcium), and Sr (strontium) are all in Group 2.
Step2: Order elements
Based on the trend, the order of decreasing electronegativity is Be > Mg > Ca > Sr.
Answer:
Be, Mg, Ca, Sr