Elemental Math

Can you name the answers to these computations, using each elements' atomic number?

Classic
Forced Order Answers have to be entered in order
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ElementsAnswerExpression
Silicon + Calcium + Nickel
Erbium - Europium
Sqrt(Krypton)
Sqrt(Thallium)
Cobalt - Iron
Sodium * Magnesium
Boron + Carbon
Potassium - Magnesium
Fermium - Mercury
Sqrt(Manganese)
Helium * Aluminum
Lithium * Sodium
Nitrogen + (Chromium/Lithium)
Zirconium²
Indium ÷ Nitrogen
Plutonium ÷ Helium
ElementsAnswerExpression
Carbon * Oxygen
Hydrogen + Helium
Hydrogen * Gold
Hafnium ÷ Carbon
Sulfur - Silicon
Boron²
Rutherfordium ÷ Beryllium
Chlorine²
Neon²
Beryllium + Nitrogen + Oxygen
Gallium + (Tin * Helium)
Lithium + Fluorine
Phosphorus²
Radon - Tungsten
Iodine - Zinc
Copernicium ÷ Nickel

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