→ Chemistry - Covalent Bonding → Start Learning / Flashcards Téléchargement MP3

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

Chemistry - Covalent bonding