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Elements

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PRESENTATION OUTLINE

1.

PHOSPHORUS

  • Symbol: P
  • Atomic number: 15
  • Non metal, solid
  • Melting point: 44.2°c, boiling point: 280.5°c
  • Atomic weight: 30.97376
  • Not radioactive
  • Discovered in 1669
2.

PHOSPHORUS CONT.

  • Referred to as the devils element
  • Part of DNA
  • Discovered by extracting it from buckets of urine
3.

PHOSPHORUS CONT.

  • It's not available in nature on its own
  • Spontaneously combustible in air
4.

TIN

  • Symbol: Sn
  • Atomic number: 50
  • Post transition metal, solid
  • Melting point: 231.93°c, boiling point: 2601.85°c
  • Atomic weight: 118.71
  • Not radioactive
5.

TIN CONT.

  • Discovered: -3000
  • 49th most common element in the earths crust
  • Doesn't corrode in water
  • Has more stable isotopes than any other element
6.

TIN CONT.

  • White tin is very malleable and stable close to room temperature
  • It's presence as a metal is mentioned In the Old Testament

Ivy Blair

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