Campbell Biology 9th Edition - Chapter 2 Flashcards
The Chemical Context of Life
Terms : Hide Images [1]
| 1200514761 | matter | anything that has mass and takes up space | 0 | |
| 1200514762 | element | any substance that cannot be broken down into simpler substances | 1 | |
| 1200514763 | compound | a substance made up of atoms of two or more different elements joined by chemical bonds | 2 | |
| 1200514764 | essential elements | elements required for an organism to survive, grow, and reproduce. | 3 | |
| 1200514765 | trace elements | required by an organism in only minute quantities | 4 | |
| 1200514766 | atomic number | the number of protons in the nucleus of an atom | 5 | |
| 1200514767 | mass number | the sum of the numbers of protons and neutrons in the nucleus of an atom | 6 | |
| 1200514768 | van der Waals interactions | weak attractions between molecules or parts of molecules that are brought about by localized charge fluctuations. | 7 |