Chemistry Hard by arjunsah98120 More quizzes in Science and Education What is the atomic number of iron? 27 28 24 25 26 What is the atomic mass of aluminium? 26.75u 26.982u 26.983u 26.57u What is the atomic number of aluminium? 15 12 13 14 What is the atomic number of magnesium? 11 12 14 13 14 What is the mass of magnesium? 24.096 24.378 24.305 24.970 What is the mass of sulfur? 23.32 32.06 320.6 32.32 What is the mass of scandium? 43.07u 46u 43.96u 44.956u What is the number of scandium 23 21 20 22 23 What is the mass of potassium? 43 40.2 39.2982 39.0983 What is the mass of argon? 38.75amu 42amu 40.82amu 39.948amu Your result βΊοΈ Good luck next time π Not bad! ππ Good job! π₯³ Perfect! ... Try more quizzes in HICHAPP