Check the Subtraction Below Using Addition $$\begin{array} { r } - 617 \\- \quad 472 \\\hline 245\end{array}$$

question 40

True/False

Check the subtraction below using addition. Is it correct? $$\begin{array} { r } - 617 \\- \quad 472 \\\hline 245\end{array}$$

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Definitions:

Lone Pair Electrons

Electron pairs in the outermost shell of an atom that are not shared or bonded with another atom, influencing molecular shape and reactivity.

Pyridine

A basic heterocyclic organic compound with the chemical formula C5H5N, resembling benzene but having a nitrogen atom replacing one of the carbon atoms.

Orbital

A region in an atom where there is a high probability of finding electrons.

Increasing pKa

This refers to the process or trend of increasing the acidity constant (pKa), indicating a decrease in acid strength.