Which is not true Which element has 2 about all of valence electrons and is these elements? in period 4? They are all in the same group They all have the same Sodium number of valence electrons Carbon They all have the same Beryllium number of protons They all share similar properties Calcium ©KeslerScience.com ©KeslerScience.com Which two elements Which element is the share similar most reactive? properties? Oxygen and Sulfur Silicon Oxygen and Nitrogen Oxygen Oxygen and Helium Lithium Oxygen and Chlorine Aluminum
Which is not true about all of these elements? They are all in the same group They all have the same number of valence electrons They all have the same number of protons They all share similar properties Which element has 2 valence electrons and is in period 4? Sodium Carbon Beryllium Calcium ©KeslerScience.com ©KeslerScience.com Which two elements share similar properties? Oxygen and Sulfur Oxygen and Nitrogen Oxygen and Helium Oxygen and Chlorine Which element is the most reactive? Silicon Oxygen Lithium Aluminum
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