covalent bonding

Question 1

when does covalent bonding occur

Answer 1

Covalent​ ​bonding​ ​occurs​ ​in​ ​most​ ​non-metallic​ ​elements​ ​and​ ​in​ ​compounds​ ​of nonmetals

Question 2

are covalent bonds weak or strong

Answer 2

covalent bonds are strong

Question 3

which is bigger: atoms or molecules?

Answer 3

Simple​ ​molecular​ ​substances​ ​consist​ ​of​ ​molecules​ ​in​ ​which​ ​the​ ​​atoms​ ​are​ ​joined by​ ​strong​ ​covalent​ ​bonds. Therefore,​ ​atoms​ ​are​ ​smaller​ ​than​ ​small​ ​molecules

Question 4

what are macromolecules

Answer 4

giant​ ​covalent​ ​structures like diamond,​ ​silicon

dioxide