covalent bonding. Flashcards
1
Q
what is a covalent bond?
A
shared pair of electrons between atoms.
2
Q
where do covalent bonds occur?
A
non-metallic elements such as oxygen.
compounds of non-metals such as sulphur dioxide.
3
Q
how can covalent bonds in molecules be shown?
A
dot and cross diagrams.
4
Q
are covalent bonds strong or weak?
A
very strong.
5
Q
what are the 2 types of structure in a covalent bond and examples?
A
simple- water, hydrogen.
giant covalent structures- dimond, silicon dioxide.
