Science - Chemistry - Periodic Tableperiodictable.png

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Name of the Russian scientist who devised the Periodic TableMendeleev
Vertical row in the Periodic Tablegroup
The symbol for sodiumNa
The Alkaline Earth metals are in this groupGroup II (2)
The gas formed when potassium reacts with waterHydrogen
The number of protons in an element is equal to this numberAtomic number
Alloys of this metal are used in aircraft enginesMagnesium
Another name for the Group VII (7) elementsHalogens
Horizontal row in the Periodic Tableperiod
Another name for the Noble GasesInert
This is the chemical symbol for nitrogenN
This element belongs in the second period and third group of the Periodic TableBoron
The number of protons and neutrons in an element is equal to this numberMass