Properties of Some Representative Elements Essay

545 WordsDec 18, 20133 Pages
Properties of Some Representative Elements Trey Lesatz The objective of this lab was to observe the properties and reactions between several representative elements. Data Reaction With Water | | Metal | Evidence of Reaction | Relative Vigor | Indicator Color | | Li | Fizzling for 2:03 | Low | Slightly Purple | | Na | Fizzling for 0:48 | Medium | Light Purple | | K | Fizzling for 0:14 | High | Purple | | Mg | No reaction | None | Clear | | Ca | Fizzling for 0:43 | Low | Light Purple | | | | | | | Reaction of Magnesium and HCl | | | Metal | Evidence | Vigor | pH | | Mg | Fizzle | Low | 12 | | | | | | | Flame Test | | | | Metal | Color Observed | | | | LiCl | Magenta | | | | Na | Yellow | | | | K | Pink/Purple | | | | Ca | Orange/Red | | | | Ba | Lime Green | | | | Sr | Orange/Red | | | | | | | | | Oxides/Sulfides of Some Elements | | | | | Substance | pH | | | | Magnesium Oxide | 10 | pH of water before | | | Sodium Oxide | 13 | experiment was 7 | | | Calcium Oxide | 12 | | | | Aluminum Oxide | 10 | | | | Sulfur Dioxide | 9 | | | | FeS+HCl | 9 | | | | Identification of Elemental Halogens | | | Halogen | Color of H₂O Solution | Color of CH₂Cl₂ Extract | | | Cl₂ | None | Light Yellow | | | Br₂ | Brown/Orange | Orange/Red | | | I₂ | Orange | Red | | | | | | | | Relative Reactivity of the Halogens | Elemental Halogen | Halide Ion | Color of Lower Layer | Lower Halogen? | Was There a Reaction | Cl₂ | Br⁻ | Cloudy | Cl | Yes | Cl₂ | I⁻ | None | Cl | No | Br₂ | I⁻ | Pink/Orange | Br | Yes | Br₂ | Cl⁻ | Yellow | Br | Yes | I₂ | Br⁻ | Red | I | Yes | I₂ | Cl⁻ | Red | I | Yes | Observations of sublimation of iodine- The iodine crystalized into a dark purple sparkly stalactite type

More about Properties of Some Representative Elements Essay

Open Document