Which of the following is an example of covalent crystal solid (a) Si (b) NaF (c) Al (d) Ar Which of the following is an example of covalent crystal solid (a) Si (b) NaF (c) Al (d) Ar February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related