| A | B |
|---|
| ionic bond | formed between two or more oppositely charged ions |
| example of ionic bond | table salt |
| covalent bond | occurs when atoms share their outer electrons |
| example of covalent bond | water |
| hydrogen bond | weak chemical bond from the attraction of positively charged hydrogen atoms to other negatively charged atoms |
| why water dissolved many ionic and molecular compounds | polarity |
| what keeps lakes from completely freezing | ice floats when it freezes |
| what allows many land organisms to maintain body temp by eliminating excess heat | water's ability to evaporate |
