9th grade chemistry summary ch. 6-7

1. there are 2 kinds of bonding. they are ionic bonding and covalent bonding.
2. ionic bonding is type of bond that is formed between positively charged and negatively charged ions by the transfer of electrons.
3. covalent bonding is type of bond that is formed when two atoms are joined together by sharing electrons.
4. for the comparison of those bonding, you can check on pg. 94 textbook.
5. each carbon atom in diamond is bonded to four other carbon atoms by strong covalent bonds.
6. each carbon atom of graphite is joined to three other carbon atoms in the same plane.