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Periodic Table Maths 1

Add the atomic numbers of the two elements given to get the atomic number of a third.
If you notice any mistakes or have any suggestions then leave them in the comments.
Type the element's name not its atomic number
Quiz by FMFrazzle
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Last updated: April 22, 2020
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First submittedApril 22, 2020
Times taken18
Average score40.0%
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Sum
Answer
Sodium + Iron
Rubidium
Lithium + Neon
Aluminium
Calcium + Zinc
Tin
Silicon + Phosphorus
Copper
Helium + Beryllium
Carbon
Nickel + Francium
Moscovium
Germanium + Iodine
Astatine
Tin + Iodine
Lawrencium
Sum
Answer
Strontium + Barium
Plutonium
Sulfur + Chlorine
Arsenic
Titanium + Manganese
Silver
Nickel + Platinum
Seaborgium
Krypton + Technetium
Gold
Caesium + Barium
Roentgenium
Yttrium + Niobium
Mercury
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