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View Resource Dying Stars and the Birth of the Elements (CLEA lab)

In this computer-based exercise, students analyze realistically simulated X-ray spectra of a supernova remnant and determine the abundances of various elements in them. In the end, they will find that the elements necessary for life on Earth -- the iron in their blood, the calcium in their bones -- are created in these distant explosions. The product consists of both downloadable software (PC...

View Resource What is Your Cosmic Connection to the Elements?

This Web site is an on-line version of a poster and educator guide describing the cosmic origin of the chemical elements. The poster illustrates our connection to the chemical elements and their origins. The educator guide describes the different processes responsible for the elements, and gives eight standards-based activities. The Website also includes additional activities and a Powerpoint...

View Resource American Elements: Catalog of the Elements

This reference consists of an interactive periodic chart that provides information for most of the elements. Clicking on an element's symbol on the chart accesses the element's name, discoverer and date of discovery, as well as its uses. There is also information on the appearance, Chemical Abstracts Service (CAS) number (a unique identifier assigned to every chemical that has been described in...

View Resource Handbook of Basic Atomic Spectroscopic Data

This National Institute of Standards and Technology (NIST)) site contains atomic spectroscopic reference data. Information can be accessed through a variety of means, such as an interactive periodic table and dropdown lists of elements organized by name or atomic number. Data available includes isotope abundance, electron configuration, nuclear spin, magnetic moment, ionization energies, spectral...

View Resource Coal Sampling

This USGS publication explains the use of fluxes for preparation of coal for elemental analysis. The material would be useful to supplement textbooks concerning sample preparation and may be helpful in designing an XRF laboratory experiment.

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