→ Chemistry - Covalent Bonding → Start Lernen / Flashcards Herunterladen MP3

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

Chemistry - Covalent bonding