Explanation:
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Answer:
urban heat island
Explanation:
occurs when a city experiences much warmer temperatures than nearby rural areas.
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The type of bond formed depends on the valence electrons (no: of electrons in the outermost shell)
When two atoms share one electron pair between each other, then they are said to be bonded by single covalent bond
When two atoms share two electron pairs between each other, they are said to be bonded by double covalent bond
When two atoms share three electron pairs between each other, they are said to be bonded by triple covalent bond.
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Answer:
Nitrogen
Explanation:
Nitrogen has 5 Valence Electrons.
And its atomic mass is also less than Bismuth.
There are other elements in the 5th row but this one has the lowest atomic mass compared to the others.
