R and T are two elements with the proton number of 11 and 8 respectively. R and T react to form a compound. What is the type of bond and formula of compound?
According to the periodic table of elements , the elements with the proton number of 11 and 8 are sodium Na and oxygen O, respectively. The reaction equation is:
4Na + 2O2 "\\rightarrow" 2Na2O.
The compound formed in the reaction is sodium oxide , Na2O. The type of bond in sodium oxide is ionic , because sodium is a metal and oxygen is a non-metal.
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