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Exercise 2. Flame Test of Metal Ions I. Data Element Flame Color Approximate Wavelength Approximate Energy Lithium (Li+) red 620 nm 1.91 eV Sodium (Na+) orange 585 nm 2.06 eV Potassium (K+) purple 380 nm 3.10 eV Boron (B3+) yellow 570 nm 2.162 eV Copper (Cu2+) green 490 nm 2.2 eV Calcium (Ca2+) orange 585 nm 2.06 eV Strontium (Sr2+) red 620 nm 1.91 eV II. Questions 1. What are the full electron configurations (do not abbreviate) of the ions that were tested? Note that these will be ion electron configurations, and not those of the elements themselves. 2. In which solution are the electrons releasing the highest amount of energy?

          Exercise 2. Flame Test of Metal Ions
I. Data
Element	Flame Color	Approximate Wavelength	Approximate Energy
Lithium (Li+)	red	620 nm	1.91 eV
Sodium (Na+)	orange	585 nm	2.06 eV
Potassium (K+)	purple	380 nm	3.10 eV
Boron (B3+)	yellow	570 nm	2.162 eV
Copper (Cu2+)	green	490 nm	2.2 eV
Calcium (Ca2+)	orange	585 nm	2.06 eV
Strontium (Sr2+)	red	620 nm	1.91 eV
II. Questions
1. What are the full electron configurations (do not abbreviate) of the ions that were
tested? Note that these will be ion electron configurations, and not those of the
elements themselves.
2. In which solution are the electrons releasing the highest amount of energy?

Exercise 2. Flame Test of Metal Ions
I. Data
Element Flame Color Approximate Wavelength Approximate Energy
Lithium (Li+) red 620 nm 1.91 eV
Sodium (Na+) orange 585 nm 2.06 eV
Potassium (K+) purple 380 nm 3.10 eV
Boron (B3+) yellow 570 nm 2.162 eV
Copper (Cu2+) green 490 nm 2.2 eV
Calcium (Ca2+) orange 585 nm 2.06 eV
Strontium (Sr2+) red 620 nm 1.91 eV
II. Questions
1. What are the full electron configurations (do not abbreviate) of the ions that were
tested? Note that these will be ion electron configurations, and not those of the
elements themselves.
2. In which solution are the electrons releasing the highest amount of energy?

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