C2-small molecules Flashcards
1
Q
how is a covalent bond formed?
A
when two atoms share a pair of electrons. Covalent bonding occurs in most non-metal elements, and in compounds formed between non-metals.
2
Q
what do dot and cross diagrams show?
A
how electrons are shared in covalent bonds
3
Q
so substances with simple molecules have low boiling points?
A
yes