Answer :

The Answer is Positive.

If this pattern of ions was extended indefinitely in two dimensions, would the lattice energy be positive. An atom or molecule with a net electrical charge is called as an ion. The charge of an electron is thought to be negative; this charge is equal to and opposite to the charge of a proton, which is thought to be positive.  

An ion is a charged atom or molecule . There are more number of electrons than number of protons in the atom or molecule, so it is charged. Depending on  the number of electrons in an atom is greater or less than the number of protons in the atom, it can develop a positive charge or a negative charge.

Because the other atom's electrons and protons are not distributed evenly, when one atom is drawn to the other.

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