Phosphorus is a Greek word and it means_________________?
Correct answer: A. Light bearing
- A. Light bearing
- B. Fire
- C. Impure
- D. Tetrahedral
Explanation
The name phosphorus comes from Greek words meaning light-bearer or light-bringer, referring to its faint glow in air. This glow results from slow oxidation of white phosphorus. The likely trap is fire, because phosphorus burns readily, but the name refers specifically to bearing light.
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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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