How can I draw covalent bonds?
A covalent bond is when an atom shares their electron with another atom.
It depends on the type of element that you're drawing it for. To determine how many leftovers valence electrons that an element have to bond with another element, you have to see the groups that they are situated in.
Keep in mind that each electron wish to satisfy the octet rule .
For example, the compound Co2
Carbon have 4 valence electrons to share with oxygen 2 "free valence electron, forming double bonds between them.
Here is a video summary of how you can use Lewis structures to draw covalent bonds.
Video from: Noel Pauller