Which of the following statements below correctly describes the parts of an atom that determine the atom's identity and chemical properties? A. Neutrons determine identity and the electron cloud determines chemical properties.

B. Protons determine identity and valence electrons determine chemical properties.

C. Valence electrons determine identity and protons determine chemical properties.

D. The electron cloud determines identity and neutrons determine chemical properties.

B protons determine indentity and valence electrons determine chemical properties.

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Explanation:

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.