Chemistry, 28.08.2021 03:00 crystalhoff6176
Which of the following best explains the distinctive colors of specific elements when used in
fireworks?
A
the number of electrons in the atoms
B
electrons moving from an excited energy state to the ground state
С
the number of neutrons in the atoms
D
electrons transferring from one atom to a different atom
Answers: 2
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Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.
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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
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Which of the following best explains the distinctive colors of specific elements when used in
fire...
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