I am not the best at this, but im pretty sure its below cloud
Answer:
an oxygen atom with 8 electrons, 8 protons and 9 neutrons
0.45
Explanation:
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Oxygen is the 8th element in the periodic table. This means that oxygen has 8 protons and 8 electrons. In order to get the number of neutrons you take the atomic weight in this case 15.9999~16 and you subtract it by the number of protons (16-8).
