Phosphorus


 * __ABOUT ELEMENT PHOSPHORUS FACTS__ **

1. Phosphorus a. Phosphorus was discovered by the German alchemist Henning Brand. b. Phosphorus was discovered in 1674 or 1675.

2. Symbol: p, Atomic number:15, and Atomic mass: 30.97376 amu a. The sources of symbol is from the Greek words //ph// //o ////s // (light) and //phoros// (bearer)

3. Number of protons& element:15 ,neutrons:16

4. We can obtained from Phosphate rock

5. Physical facts a. Melting point: 44.1 °C (317.25 K, 111.38 °F) <span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%;">b. Boiling point: 280.0 <span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%;">°C (553.15 K,  <span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%;"> 536.0 °F) <span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%; margin: 0in 0in 0pt 0.75in; text-indent: -0.25in;">c. Destiny: 1.82 g/cm3 <span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%; margin: 0in 0in 0pt 0.75in; text-indent: -0.25in;">d. Abundance in the Earth’s crust: 1,050 parts per million by weight, 730 parts per million by moles

<span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%; margin: 0in 0in 0pt 45pt; text-indent: -0.25in;">6. Use: fertilizers, detergents

<span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%; margin: 0in 0in 0pt 45pt; text-indent: -0.25in;">7. Interesting facts: Hennig Brand discovered phosphorus in 1669, preparing it from urine, which naturally contains considerable quantities of dissolved phosphates. The name comes from the Greek word 'phosphoros', meaning bringer of light.

<span style="font-family: 'Calibri','sans-serif'; font-size: 14pt; line-height: 115%; margin: 0in 0in 0pt 45pt; text-indent: -0.25in;">8. Sources: Never found free in nature, It is widely distributed in combination with minerals. Phosphate rock, which contains the mineral apatite, an impure tri-calcium phosphate, is an important source of the element. Large deposits are found in Russia, in Morocco, and in Florida, Tennessee, Utah, Idaho, and elsewhere.

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