Chemistry, 06.05.2021 01:50 anthonybowie99
An atom or ion has 7 protons, 7 neutrons, and 6 electrons. Is it positive, negative, or
neutral? Why? What element is it?
Can someone please help!
Answers: 2
Chemistry, 21.06.2019 23:30
Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
Answers: 1
Chemistry, 22.06.2019 08:00
Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Chemistry, 22.06.2019 10:00
Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.
Answers: 1
Chemistry, 22.06.2019 18:30
Which of the following words describe the reality that the universe looks the same from various perspective
Answers: 3
An atom or ion has 7 protons, 7 neutrons, and 6 electrons. Is it positive, negative, or
neutral? W...
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