Which of the following occurs when an electron moves from a higher energy shell to a lower energy shell? a. a neutron is always lost. b. a proton is always gained. c. energy is released in the form of radiation. d. the electron must be transferred to another atom.
Answers: 3
Chemistry, 21.06.2019 22:30
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
Answers: 1
Chemistry, 22.06.2019 00:10
Which of the following best describes the formation of plasma?
Answers: 1
Chemistry, 22.06.2019 17:30
Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?
Answers: 2
Chemistry, 22.06.2019 17:30
The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
Answers: 2
Which of the following occurs when an electron moves from a higher energy shell to a lower energy sh...
History, 19.04.2021 05:40
English, 19.04.2021 05:40
Physics, 19.04.2021 05:40
Mathematics, 19.04.2021 05:40
Mathematics, 19.04.2021 05:40
Mathematics, 19.04.2021 05:40
Mathematics, 19.04.2021 05:40
English, 19.04.2021 05:40
History, 19.04.2021 05:40
Physics, 19.04.2021 05:40
History, 19.04.2021 05:40
History, 19.04.2021 05:40
English, 19.04.2021 05:40
Mathematics, 19.04.2021 05:40