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Classified in Chemistry

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--what does- The chemical formula of a compund indicates what the compound is made of. For Example H2O has two hydrogen and one oxygen.

 --explain how- Atoms of different elements Have different numbers of protons and neutrons in their nucleus. More Importantly, they have different numbers of electrons around the nucleus. It is The interaction of the orbiting electrons with those of other atoms that give Rise to the various chemical properties of different elements.

--can- Yes, Sulfur and phosphorus can expand the octet. They can have 12 or 10 valence Electrons, respectively, when combined with small halogens. In PCl , phosphorus Has 10 valence electrons.

--write-General Formula=HnX H refers to hydrogen ion present in the acid. N refers to the number of hydrogen atoms in one molecule of the acid. X is the monatomic or Polyatomic anion that combines with the hydrogen atom pr atoms.

 --what are-According to Lewis, an acid accepts A pair of electrons and a base donates a pair of electrons during a reaction.

--compare and- Anabolism=building up molecules, creating tissue, and USING energy to do so. Catabolism=breaking down larger molecules, RELEASING energy through cellular Respiration, or fermentation

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