Chemistry, 07.12.2020 23:50 jeremiaht7
Which statement is true?:
- beta radioactivity is not found until ~Z = 82 (Pb)
- beta radioactivity tends to occur in isotopes with a lower neutron to proton ratio
- fission and alpha radioactivity are more common in heavier elements (Z > 82)
- fission isn't found in heavier elements (only Z < 40).
Answers: 1
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What are the similarities of physical and chemical change ?
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Chemistry, 22.06.2019 09:10
Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons
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Chemistry, 22.06.2019 19:30
How might this scientific phenomena be explained? a paper clip floats on water.
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Which statement is true?:
- beta radioactivity is not found until ~Z = 82 (Pb)
- beta r...
- beta r...
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