Question: . the decay of radioactive isotopes involves changes in the nucleus of the atoms, as protons and neutrons are released. Explain how this is different

. the decay of radioactive isotopes involves changes in the nucleus of the atoms, as protons and neutrons are released. Explain how this is different from changes that occur to atoms in ordinary chemical reactions, as those that occur in a chemistry lab?

2.If a nitrogen atom has five electrons in its valence shell (one pair of electrons and three single electrons) how many covalent bonds could it form?

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