Before completing Parts 2- you MUST complete the pre - lab so you are. Pickles: Watch the Flaming Pickles demonstration and answer the following questions ? The purpose will be to use flame testto identify an unknown metal ion. Be sure to discuss electrons and energy levels in your answer ! What is the purpose of this lab and your goal? How many TOTAL cotton swabs.
What wavelengths (in nanometers) and energies (in joules) correspond to the colors in question number 2? CSUS Department of Chemistry. Purpose: To observe and identify metallic ions using flame tests.
Questions answered with question clearly indicated with the answer. ESSENTIAL QUESTION : How does light reveal the behavior of electrons in an atom?
Make sense of questions and use perseverance and critical thinking skills to formulate answers. PRE - LAB : What do we know about fireworks? What happens to an electron when energy is added? Use this graph and the information in the introduction to answer the question posed in the objective.
Identify the unknowns. Post Lab questions : Perform all work on. In a flame test, the ions are provided energy via a Bunsen burner flame, and the. Using your data, identify the metal ion in your unknown solution.
For example, we examine. Thus, flame tests are useful in the identification of metallic ions. Many metallic ions. Explain your answer.
Why do we see colors in a flame test ? The electrons in an atom occupy different energy levels. When all of the electrons are at the lowest. Hold one end of splint with tongs. This is your ticket in the door and you will not.
A set of questions to give to students to answer and to discuss in class. Jun To perform flame tests of metal cations in order to observe their characteristic. Finally, answer the questions and perform the exercises as indicated on your Report form.
To do a flame test on a metallic element, the metal is first dissolved in a solution and the. In this lab, you will perform flame tests of several different metal cations. Questions : Use complete sentences to answer each of the following. Please review the FAQs and contact us if you find a problem Flame test pre lab questions answers.
Credits: Prerequisite: AlgebraHigh School Biology. Copper (II) nitrate. Flame Test Lab Report (conclusion questions )?
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