Isoelektronisk serie

Begrep

Begrepet kobler elektronstruktur til periodesystemets oppbygning og kjemiske trender.

Mendelejev forklarer

Take one idea at a time. If a new word appears, connect it to a concrete object, number or experiment before moving on.

Prøv selv

Say the idea aloud in your own words, then test it with a simple example.

Vanlig felle

Memorising a sentence is not the same as understanding the mechanism behind it.