CHEM 1030 FINAL CERTIFICATION EVALUATION SCRIPT 2026 FULL SOLUTION

CHEM 1030 FINAL CERTIFICATION
EVALUATION SCRIPT 2026 FULL SOLUTION

◉ 3 types of bonds. Answer: metallic, ionic, covalent


◉ metallic bonds. Answer: formed between two metals
"sea" of freely moving electrons
valence e- delocalized


◉ ionic bonds. Answer: formed between a cation and anion
electrons are transferred
EN valuesare greater than or equal to 2


◉ covalent bonds. Answer: share elections, (typically two
nonmetals)


◉ electrostatic potential energy. Answer: strength of the ionic
attraction


◉ polar covalent bonds. Answer: unequal sharing of electrons, EN
value of .4-2

, ◉ nonpolar covalent bonds. Answer: equal sharing of electrons, EN
less than or equal to .4


◉ pure covalent. Answer: formed between 2 of the same atoms, EN
difference equals 0


◉ diatomic molecules. Answer: Br, I, N, Cl, H, O, F


◉ H EN value. Answer: 2.1


◉ B EN value. Answer: 2.0


◉ C EN value. Answer: 2.5


◉ N EN value. Answer: 3.0


◉ O EN value. Answer: 3.5


◉ F EN value. Answer: 4.0


◉ P EN value. Answer: 2.1