How many metals and non metals are found Questions 1 Which elements are needed

How many metals and non metals are found questions 1

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How many metals and non-metals are found. Questions 1. Which elements are needed to support life? 2. Are these present in space? 3. One group of elements does not appear in space. Find out which group and explain why. 4. What is the total number of molecules found in space? Does this surprise you? Explain! 5. Have any more molecules been found in space? Use the internet to see if you can find out. Testing the data: molecular modelling Make some of the molecules in the Molecules in space table using the molecular modelling kit. Molecules to make HCl, CN, CO, CO 2 , NH 3 , C 2 H 4 and CH 3 CHO. These have bonds which we think of as covalent in conditions on Earth. NaCl, KCl, NaCN, MgCN These have bonds we think of as ionic in conditions on Earth. They may have covalent bonds in space as conditions are very different. Make any others from the Molecules in space . Make drawings of some molecules. Questions 1. All available bonds are not always used. Why is this important for forming larger molecules?
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  • Spring '14
  • KevinP.Moenkhaus

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