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Chemistry of life
Term | Definition |
---|---|
What are units of matter? | Elements and compounds |
Ionic bonds | Chemical bond by the transfer of electrons from one atom to another. |
Chemical bond | Interaction between two or more atoms occur largely as a result of activity between electrons in outermost energy level. |
Decomposition reaction | Result in breakdown of a complex substance into two or more simpler substance. ( chemical bonds are broken and energy is released) |
Exchange reaction | permits two different reactants to exchange components, as a result from 2 new products. |
What is body chemistry? | Metabolism |
How is pH scale measured? | 1 to 14, pH less than 7 is acidity ( more H+ than H-) pH greater than 7 is alkalinity ( more H- than H+) |