Answer:
Iron and Oxygen
Explanation:
Fe is Iron and O2 is Oxygen
Answer: the atomic number 7 is
Nitrogen
Explanation:
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B. Are produced only by living things
Rdaioactive decay results in the formation of a different element. Plutonium decays by emitting alpha emission to form uranium. Thermal energy is emitted as the alpha particles are absorbed and the kinetic energy is converted to heat. The amount of energy is computed by the formula;
E = mc²
E = 0.000046 × (3 ×10^8)
Energy = 4.14 ×10^13 Joules