It has 92 protons, 92 electrons, and 238 — 92 : 146 neutrons.
Answer: The correct answer is in an exothermic reaction the energy of the product is less than the energy of the reactants.
Explanation: got it
(NH4)2CO3(aq)+ZnCl2 (aq)-----> ZnCO3(s)+2NH4Cl(aq)
Zn²⁺ +CO3²⁻-----> ZnCO3
The bones of the same animal found out continents far away from each other