The 6th period of the periodic table contains _ elements:
Correct answer: C. 32
- A. 26
- B. 24
- C. 32
- D. 36
Explanation
Each period in the periodic table corresponds to the number of electron shells (or energy levels) that elements in that period have. The Oth period, which includes elements from atomic number 55 (Cesium, Cs) to atomic number 86 (Radon, Rn), contrins a total of 32 elements.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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