Chemistry
Chemistry, 28.07.2019 13:30, Arm2005

Name the only element that contains no neutrons and why is it likely to be unstable?

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Chemistry, 24.06.2019 22:30, CourtGard
Use the band of stability to determine if europium-154 is a stable or unstable nucleus. hint: you must first find the atomic number to determine the number of protons and then use the equation, neutrons = mass number -protons, to find the neutrons a. n/z = 1.44, stable b. n/z = 0.69, stable c. n/z = 0.69, unstable d. n/z = 1.44, unstable answer
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Biology, 26.06.2019 21:10, tahmidtaj150
^3^the diagram illustrates radioactive decay.which statement correctly identifies structures 1 and 2 in the diagram? structure 1 is an unstable atom that turns into structure 2, a new atom.structure 1 is a stable element that breaks down into structure 2, an unstable element.structure 1 is a radioactive element that loses particles to create structure 2, released energy.structure 1 is a radioactive atom that decays into structure 2, half of the original unstable element.
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Biology, 06.09.2019 22:30, savannahvargas512
Boron has 5 protons. if another proton gets added to boron, what will happen? a. nothing, it will still be boron. b. the amount of neutrons will change as well to make up for the addition of protons. c. it will be a different element because the identity of an element is determined by its protons. d. it will start to decay because it has become unstable.
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