120 likes | 287 Views
Technicolor atoms. Homework. Q1. How did the flame test provide evidence that specific atoms are present in compounds. Q2. Explain what is responsible for the colors during the flame test. Q3. Predict the color of the flame for the compound sodium hydroxide, (NaOH) Explain your reasoning.
E N D
Technicolor atoms Homework
Q1 • How did the flame test provide evidence that specific atoms are present in compounds
Q2 • Explain what is responsible for the colors during the flame test
Q3 • Predict the color of the flame for the compound sodium hydroxide, (NaOH) • Explain your reasoning
Q4 • Imagine you were in charge of creating red and purple fireworks display. Name tow combinations of compounds you could use.
Q5 • What evidence do you have from the flame tests that copper is responsible for producing a flame with a blue-green color/
q6 • Does nitrate produce a colored flame? Explain
Q7 • What flame colors would be produced by these compounds • Na2Co3 • Ba(OH)2 • KOH • K2CO3 • BaO
Q8 • Would it matter whether you did a flame test with sodium chloride, NaCl, in solid form or as an aqueous solution? Explain?
Q9 • If 2 chemical samples both produce an orange flame upon testing, which statement is true? • The 2 samples contain identical compounds • The samples both contain Cl atoms • The samples both contain Ca atoms • The samples both contain K atoms • The samples both contain different compounds
Q10 • Why doesn’t the color indicate the movement of protons or neutrons?
Q11 • Compare the energy released from the breaking apart of the nucleus to that of moving an electron.