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In this simulation, students investigate both ionic and covalent bonding. Students will have the opportunity to interact with many possible combinations of atoms and will be tasked with determining the type of bond and the number of atom needed to form each.
Best Answer: In general, the metals combine with nonmetals through ionic bonds. Nonmetals combine with other nonmetals by covalent bonds. A simple way to decide if a substance is covalent or ionic is to compare the electronegativities of the elements involved in the bonding.Electronegativity is a measure of the pull on shared electrons between to atoms. In NH3, the electronegativity of N is 3.04 and H is 2.20.If the difference in electronegativity is less than about 1.7, the bond is covalent. So NH3 is made of covalent bonds. But, the N has a stronger pull on the shared e-compared to the H, so the nitrogen is partially negative and the hydrogen is partially positive. simple way to decide if a substance is covalent or ionic is to compare the electronegativities of the elements involved in the bonding. Electronegativity is a measure of the pull on shared electrons between to atoms.