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Atoms that share electrons due to the electrostatic attraction between the negatively charged pair of electrons and positively charged nuclei.

There are two reasons: increasing atomic size and increasing shielding effect. Increasing atomic size - As you go down the Group, the atom size becomes larger, therefore the electron that must be removed is ...

1a) Strong acids fully dissociate in water, whereas weak acids only partially dissociate in water - thus forming an equilibrium mixture. 1b) See diagram.

Fe 2+ has an electron configuration of 1s 2 2s 2 2p 6 3s 2 3p 6 3d 6 . When the ligands of the solution bind to the metal ion the d-orbitals are split which creates an energy gap that allows for electron tra...

Hydrocarbons have Hydrogen-Carbon bonds and carbon-carbon bonds. The formula is H n C 2n+2 This is made clear when diagrams are drawn from different hydrocarbons and you can deduce this general formula.