Chemistry, 06.09.2021 06:10 mdegracia73
Below are sets of element that belong to the same period identify which element in each set does not belong to the period.
1. Potassium, Titanium, Combalt, Silicon, Zinc
2.Cesium, Tantalum, Hydrogen, Platinum, Lead
3.Carbon, Gold, Nitrogen, Oxygen, Neon
4.Phosphorus, Sulfur, Cholorine, Argon, Silver
5.Rudium, Cadmium, Tin, Strontium, Bromine
PLS ANSWER THIS I REALLY NEED IT​
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