→ Chemistry - Covalent Bonding → Empezar lección / Descargar tarjetas en MP3

término		definición
Which type of elements form covalent bonds? empezar lección		Two non-metals.
Which types of elements form non-covalent bonds? empezar lección		A non-metal and a metal.
Does covalent bonding involve gaining / losing electrons? empezar lección		No, electrons are shared.
What is shared in a single covalent bond? empezar lección		One pair of electrons.
Why are covalent bonds strong? empezar lección		Because of the strong attraction between shared electrons and the nuclei.
Why can nitrogen bond with three hydrogens? empezar lección		Because nitrogen needs three more electrons and each hydrogen shares one.
How many covalent bonds does nitrogen form in ammonia? empezar lección		Three covalent bonds.
Why do chlorine atoms form covalent bonds? empezar lección		Each chlorine atom needs one more electron for a full outer shell.

Chemistry - Covalent bonding