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Before using numbers from the question: 1)What is pH? pH = -log[H⁺] Square brackets mean concentration of H+ so we need to convert given pH to [H⁺] in the weak acid coefficient 2) To...

Water has a greater boiling point than hydrogen iodide as water has hydrogen bonds, whereas iodine only has permenant dipole-dipole interactions. Hydrogen bonds are stronger than permenant dipole-dipole i...

Electrons occupy every orbital in each subshell once and then occupy the full orbital with both electrons 

Neutral 

The useful thing is that different elements have been grouped together on the periodic table so that it's easy to see which ones share something in common. Group 1 elements become 1+, Group 2 becomes 2+, ...