When an atom of the unstable isotope Na-24 decays, it becomes an atom of Mg-24 because the Na-24 atom spontaneously releases (2) a<span> beta particle</span>.
Answer:
It's a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF)
Fe + 3NaBr → FeBr3 + 3Na
The Na is replaced by the Fe atom.
The answer is letter a. Hill terrain, hill slope, and hill elevation
Answer:
High levels of moisture are contained within an air mass.
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Explanation:
