Significant digits show the precision of measurements and calculations
Answer:
Atoms found in nature are either stable or unstable. ... An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy. Instability of an atom's nucleus may result from an excess of either neutrons or protons
Carbon is the answer. IF oxygen were on the list it would also be correct but for this its Carbon<span />
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Answer:
Aluminum
Explanation:
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