Chemistry - Dot & Cross Diagram

 0    6 schede    guest3977688
inizia ad imparare

Scarica mp3 Stampa Gioca Testa il tuo livello
 
Domanda English Risposta English
What does a dot and cross diagram show?
inizia ad imparare
The arrangement and transfer of outer-shell electrons.
Why are brackets used around ions in dot and cross diagrams?
inizia ad imparare
To show they are charged ions.
Explain how sodium chloride forms.
inizia ad imparare
Sodium transfers one electron to chlorine. Sodium becomes Na⁺ and chlorine becomes Cl⁻. The oppositely charged ions attract, forming an ionic bond.
Explain why magnesium forms Mg²⁺ ions.
inizia ad imparare
Magnesium loses two electrons to achieve a full outer shell.
What does each line in a displayed formula represent?
inizia ad imparare
One shared pair of electrons.
What does a displayed formula show?
inizia ad imparare
Atoms and covalent bonds as lines.
Crea delle schede

Devi essere accedere per pubblicare un commento.