Recently I have done extensive practice and research on atoms and isotopes in PHET simulators to better my understanding of what we are doing in class . I have learned about the periodic table, what determines if an atom is negatively charged or positively charged, we’ve learned about ions , how to calculate mass I will crest flash card to help me understand what element is what, & I will solve problems relating to finding the mass
1. Recently we have been talking about the development of the periodic table and how it works, the different families, groups etc, we are learning how to better understand and read the periodic table 2. Recently I have learned that the periodic table is divided up into 4 blocks s,d,p, f and what all of these blocks represent 3. I will continue to study my notes and create flash cards to help better understand what we are working on
Question- what are the identities of the unknown solutions? Why is a flame test able to be used? Evidence- Metal ion Calcium-bright orange Barium-green/yellow Copper- green Lithium-red Potassium-orange Sodium-yellow/orange Strontium-red/orange Unknown #1- light orange Unknown #2-red/Orange Unknown #3/green/yellow Unknown #4-bright orange We used our evidence of the unknown metals and compared that to the unknown metals and determined that: The unknowns were the same shade as the knowns and we incorporated that into finding the answer , although there was some colors we could tell apart based on the shades themselves. The flame test is able to differentiate the amount of electrons which is important because when energy is absorbed by the electron it gets excited and then drops which causes the color of light to appear
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