The atomic numbers of two elements ???? and ???? are 11 and 12 respectively. Which element exhibits highest metallic property? Why? Write the molecular formula of the compounds formed when these elements combine with the element ‘z' having atomic number 8.
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Sodium(Na) has atomic no 11 and Magnesium (Mg) has atomic no 12.
Sodium exhibits highest metallic property.
Oxygen has atomic no 8.
The molecular formula is NA2O.
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