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When group 2a element from ion they
a. lose two proton
b. gain two proton
c. lose two electron
d. gain two electron
Answers: 3
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Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent
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When group 2a element from ion they
a. lose two proton
b. gain two proton
c. l...
a. lose two proton
b. gain two proton
c. l...
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