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Which of the following pairs of elements would most likely combine to form a salt (ionic bond) ?
a) Rb + Cl2
b) H2 + O2
c) P + I2
d) Ne + He

Respuesta :

A.

Rb is an alkali metal and Cl2 is a halogen. They combine to form a salt.
The correct answer is A) Rb + CI2

Hope this helps and have a great day! (:

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