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WorksheetsFlame Test
Total questions: 10
Worksheet time: 4mins
What is the color of the light that sodium compounds give off?
Green
Red
Violet
Yellow-orange
Why do you think are there different colors emitted?
Because of the absorption of heat from the flame
Because heat is released
Because of the absorption of light
What is the state when electrons move to a higher energy level upon absorption of energy?
active
inactive
excited
ground
What compound gives off bright red color when heated over a flame?
Lithium
Calcium
Strontium
Potassium
What particles in the heated compounds are responsible for the production of the colored light?
proton
neutron
electron
proton and neutron
What is the color of the light that calcium compounds give off?
Yellow
Orange
Blue-green
Purple
What is the color of the light that potassium compounds give off?
Yellow-orange
Purple
Pinkish red
Green
What compound gives off pinkish red color when heated over a flame?
Lithium
Strontium
Potassium
Calcium
Which is the electron configuration of an aluminum atom (13Al) in the ground state?
1s2 2s2 2p6 3s2 4s1
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p1
Which is the electron configuration of an aluminum atom (13Al) in the excited state?
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 4s1
1s2 2s2 2p6 3s2 3p3
