by Dan | Nov 7, 2022 | chemistry
Choose one group of elements below and write a brief report using all of the “talking points” below. (a) alkali metals (b) alkaline earth metals (c) halogens (d) noble gases Make sure to list the elements in each group and describe where they are naturally...
by Dan | Sep 26, 2022 | chemistry
In Lecture 3.3, we took a look at some popular silicate gemstones. Here, we’ll look at how the colorless “parent” compounds turn into colored gemstones with the help of point defects. For each of the colored gemstones below (images from the Smithsonian National...
by Dan | Sep 24, 2022 | chemistry
A. Questions and Observations Associated with the Procedure 1. What is the color of the crystals of CuxCly zH2O that are added to the crucible? __________________ 2. Why is the heating done gently, rather than intensely (as last week)? 3. Describe what you saw...
by Dan | Jul 22, 2022 | chemistry
What are isotopes and how are isotopes distinguished from one another? How can isotopes be used in medicine (be specific)? Describe in detail one example of how an isotope is used therapeutically, and describe another example of how an isotope is used...
by Dan | Jul 22, 2022 | chemistry
What are the differences between physical and chemical properties in chemistry? What are the differences between physical and chemical reactions in chemistry? What are the characteristics that make elements different from compounds? Give two examples of each...
by Dan | May 8, 2022 | chemistry
Teams work together to decide how to advocate for community health promotion based on the communities they selected for their projects. Focus on the community and needs identified in the assessment. Who are the stakeholders? How does the advocate...
