What elements would you use to predict the properties of ekasilicon?

Gallium and arsenic can be used to predict the properties of eka-silicon. This is because on the periodic table, these two elements are the closest neighbors of eka-silicon, and as a result, would have good number of similar properties with eka-silicon.

"the importance of the japanese economy and security is far greater than that of the asian values"

answer; the civil right act of 1964;