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20heldmadison
17.10.2019 •
Chemistry
What type of membrane provides lubrication to the , pericardial, and peritoneal cavities?
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Ответ:
-1 (D)
Explanation:
Looking at a periodic table, sulfur usually has an atomic mass of 32. It has 16 protons, so it usually has 16 neutrons.
From this isotope, it has an atomic mass of 31. It has 16 protons, so in this example there are 15 neutrons.
this means there is one less neutron than normal in this isotope.
Hope this helps! Let me know if you have any questions :)