CHEM120 COMPREHENSIVE REVIEW 2026
TESTED SOLUTIONS GRADED A+
⩥He-2 (periodic table). Answer: Helium
⩥Li-3 (periodic table). Answer: Lithium
⩥Be-4 (periodic table). Answer: Berylium
⩥B-5 (periodic table). Answer: Boron
⩥C-6 (periodic table). Answer: Carbon
⩥N-7 (periodic table). Answer: Nitrogen
⩥O-8 (periodic table). Answer: Oxygen
⩥F-9 (periodic table). Answer: Fluorine
⩥Ne-10 (periodic table). Answer: Neon
, ⩥Na-11 (periodic table). Answer: Sodium
⩥Mg-12 (periodic table). Answer: Magnesium
⩥Al-13 (periodic table). Answer: Aluminium
⩥Si-14 (periodic table). Answer: Silicon
⩥P-15 (periodic table). Answer: Phosphorus
⩥S-16 (periodic table). Answer: Sulfur
⩥Cl-17 (periodic table). Answer: Chlorine
⩥Ar-18 (periodic table). Answer: Argon
⩥K-19 (periodic table). Answer: Potassium
⩥Ca-20 (periodic table). Answer: Calcium
⩥Sc-21 (periodic table). Answer: Scandium
TESTED SOLUTIONS GRADED A+
⩥He-2 (periodic table). Answer: Helium
⩥Li-3 (periodic table). Answer: Lithium
⩥Be-4 (periodic table). Answer: Berylium
⩥B-5 (periodic table). Answer: Boron
⩥C-6 (periodic table). Answer: Carbon
⩥N-7 (periodic table). Answer: Nitrogen
⩥O-8 (periodic table). Answer: Oxygen
⩥F-9 (periodic table). Answer: Fluorine
⩥Ne-10 (periodic table). Answer: Neon
, ⩥Na-11 (periodic table). Answer: Sodium
⩥Mg-12 (periodic table). Answer: Magnesium
⩥Al-13 (periodic table). Answer: Aluminium
⩥Si-14 (periodic table). Answer: Silicon
⩥P-15 (periodic table). Answer: Phosphorus
⩥S-16 (periodic table). Answer: Sulfur
⩥Cl-17 (periodic table). Answer: Chlorine
⩥Ar-18 (periodic table). Answer: Argon
⩥K-19 (periodic table). Answer: Potassium
⩥Ca-20 (periodic table). Answer: Calcium
⩥Sc-21 (periodic table). Answer: Scandium