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Which of the following pairs react to form ionic compounds?
(a) Cl and Br
(b) Na and Br
(c) P and Se
(d) H and Ba
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- Old Science GuyLv 77 years ago
check the elecctronegativity difference between the two atoms in the bond
if it exceeds 1.7, then the percent ionic character of the bond is over 50%
and is considered an ionic bond
if less than 1.7 the bond is considered covalent - less than 50% ionic character
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