Answer: it has 4 electrons surrounding it. Every electron wants to be bonded to another electron. That means every atom want 8 electrons total. Carbon on its own only has 4 electrons. That means it can make 4 bonds.
Explanation: it has 4 electrons surrounding it. Every electron wants to be bonded to another electron. That means every atom want 8 electrons total. Carbon on its own only has 4 electrons. That means it can make 4 bonds.
