which element is least likely to undergo a chemical reaction

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  • What is the most reactive metal on the periodic table?

  • Ag, Au, Pt, Hg. The most active metals are so reactive that they readily combine with the O 2 and H 2O vapor in the atmosphere and are therefore stored under an inert liquid, such as mineral oil. These metals are found exclusively in Groups IA and IIA of the periodic table.

  • What are the factors that do not affect equilibrium?

  • For the chemical reaction: First, consider a factor that does not affect equilibrium: pure substances. If a pure liquid or solid is involved in equilibrium, it is considered to have an equilibrium constant of 1 and is excluded from the equilibrium constant.

  • How do you know which element will lose an electron?

  • We can decide which element should lose an electron by comparing the first ionization energy for potassium (418.8 kJ/mol) with that for hydrogen (1312.0 kJ/mol). Potassium is much more likely to lose an electron in this reaction, which means that hydrogen gains an electron to form K + and H – ions.

  • Are reactants and products always equal in a chemical reaction?

  • The quantities of reactants and products have achieved a constant ratio, but they are almost never equal. There may be much more product or much more reactant. Dynamic equilibrium occurs when the chemical reaction continues to proceed, but a number of products and reactants remain constant.

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