covalent bond Flashcards
(6 cards)
1
Q
what is a covalent bond
A
two non mental atoms share a pair of electrons
2
Q
which elements participate in this
A
non-metal
3
Q
what does each atom gain
A
full outer shell of electrons
4
Q
two types
A
simple molecules
giant covalent structures
5
Q
simple molecules
A
contain only few atoms held by covalent bond
force of attraction are weak
6
Q
properties of simple covalent compounds
A
low melting and boiling points
do not conduct electricity
insoluble in water
