Chemistry, 30.07.2019 11:30 lukevader311
Atoms become excited when they are heated by a flame. how do atoms return from an excited state to a ground state? a. by emitting a photon of light b. by absorbing a photon of light c. by gaining an electron from another atom d. by transferring an electron to another atom
Answers: 1
Chemistry, 21.06.2019 20:40, ellemarshall13
Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa
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Chemistry, 22.06.2019 21:00, ciel8809
Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
Answers: 1
Atoms become excited when they are heated by a flame. how do atoms return from an excited state to a...
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