The Chemical Context of Life
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| 7241162560 | Van Der Waals Interactions | Weak attractions between molecules. Also called london dispersion forces | 0 | |
| 7241162561 | Products | Material resulting from a chemical reaction. | 1 | |
| 7241162562 | Chemical Equilibrium | State in which the rate of the forward reaction equals the rate of the reverse reaction. | 2 | |
| 7241162563 | Reactants | Starting material in a chemical reaction. | 3 | |
| 7241162564 | Hydrogen bond | Weak chemical bond. Consist of a covalent bond | 4 | |
| 7241162565 | Ionic Compound | Compound resulting from the formation of an ionic bond. Also called a salt. | 5 | |
| 7241162566 | Ionic Bond | Chemical bond resulting from the attraction between oppositely charged ions. | 6 | |
| 7241162567 | Anion | Negatively charged ion. Loses an electron. | 7 | |
| 7241162568 | Cation | Positively charged ion. Gains an electron. | 8 | |
| 7241162569 | Ion | An atom or group of atoms that has gained or lost one or more electrons. Acquiring a charge. | 9 | |
| 7241162570 | Polar Covalent Bond | Shared electrons are pulled closer to the more electronegative atom, making it slightly negative and the other atom positive. | 10 | |
| 7241162571 | Non-polar Covalent Bond | Covalent bond where electrons are shard equally between two atoms of similar electronegativity. | 11 | |
| 7241162572 | Electronegativity | Attraction of a given atom for the electrons of a covalent bond. | 12 | |
| 7241162573 | Double Bond | Double covalent bond; sharing of two pairs of valence electrons by two atoms. | 13 | |
| 7241162574 | Single Bond | Single covalent bond; sharing of one pair of valence electrons. | 14 | |
| 7241162575 | Covalent Bond | Strong chemical bond in which two atoms share one or more pairs of valence electrons. | 15 | |
| 7241162576 | Chemical Bond | Attraction between two atoms, resulting from a sharing of outer shell electrons. | 16 | |
| 7241162577 | Orbital | Where an electron is found 90% of the time. | 17 | |
| 7241162578 | Potential Energy | Energy that matter possesses as a result of its location. | 18 | |
| 7241162579 | Energy | Capacity to cause change, especially to do work. | 19 | |
| 7241162580 | Radioactive Isotope | Nucleus decays spontaneously, giving off detectable particles and energy also called unstable isotope. | 20 | |
| 7241162581 | Isotopes | Same number of protons but a different number of neutrons. | 21 | |
| 7241162582 | Atomic Mass | Total mass of an atom | 22 | |
| 7241162583 | Mass Number | Sum of the number of protons and neutrons in an atom's nucleus. | 23 | |
| 7241162584 | Atomic Number | Number of protons in the nucleus of an atom, unique for each element. | 24 | |
| 7241162585 | Atomic Nucleus | An atom's dense central core, containing protons and neutrons. | 25 | |
| 7241162586 | Electrons | A subatomic particle with a single negative electrical charge. | 26 | |
| 7241162587 | Neutrons | A subatomic particle having no electrical charge (electrically neutral). Found in the nucleus of an atom. | 27 | |
| 7241162588 | Protons | A subatomic particle with a single positive electrical charge. Found in the nucleus of an atom. | 28 | |
| 7241162589 | Atom | Smallest unit of matter that retains the properties of an element. | 29 | |
| 7241162590 | Trace Elements | An element indispensable for life but required in extremely minute amounts. | 30 | |
| 7241162591 | Essential Elements | A chemical element required for an organism to survive, grow, and reproduce. | 31 | |
| 7241162592 | Compound | A substance consisting of two or more different elements combined in a fixed ratio. | 32 | |
| 7241162593 | Element | Any substance that cannot be broken down to any other substance by chemical reactions. | 33 | |
| 7241162594 | Matter | Anything that takes up space and has mass. | 34 |
