Terms : Hide Images
| 7086559065 | matter | Anything that has mass and takes up space | 0 | |
| 7086559712 | element | A substance that cannot be broken down into simpler substances | 1 | |
| 7086560211 | main elements | carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur (CHONPS) | 2 | |
| 7086561870 | atom | Smallest particle of an element | 3 | |
| 7086562397 | proton | positively charged particle | 4 | |
| 7086564159 | neutron | A subatomic particle that has no charge and that is found in the nucleus of an atom | 5 | |
| 7086564673 | atomic mass | Number of protons and neutrons | 6 | |
| 7086566110 | atomic number | The number of protons in the nucleus of an atom | 7 | |
| 7086566699 | electron | A subatomic particle that has a negative charge | 8 | |
| 7086567398 | compound | A substance made up of atoms of two or more different elements joined by chemical bonds | 9 | |
| 7086568336 | ionic bond | Formed when one or more electrons are transferred from one atom to another | 10 | |
| 7086568843 | covalent bond | A chemical bond that involves sharing a pair of electrons between atoms in a molecule | 11 | |
| 7086571734 | hydrogen bond | an attraction between a slightly positive hydrogen atom and a slightly negative atom | 12 | |
| 7086573154 | polar | Molecule with partial charges. Mixes with water. | 13 | |
| 7086574609 | solvent | A liquid substance capable of dissolving other substances | 14 | |
| 7086575662 | cohesion | Water molecules sticking to each other. | 15 | |
| 7086576038 | adhesion | Water molecules sticking to other surfaces. | 16 | |
| 7086576553 | surface tension | results from the cohesion of water molecules at the surface of a body of water | 17 | |
| 7086576970 | acid | compound that forms hydrogen ions (H+) in solution | 18 | |
| 7086578077 | base | A substance that decreases the hydrogen ion concentration in a solution. | 19 | |
| 7086578729 | water ph | 7 | 20 | |
| 7086579904 | enzyme | A type of protein that speeds up a chemical reaction in a living thing | 21 | |
| 7086580229 | carbohydrate formula | (CH2O)n simple sugars + their polymers | 22 | |
| 7086580663 | nucleic acids | DNA and RNA | 23 | |
| 7086581333 | lipids | Nonpolar molecules that include fats, oils, and cholesterol | 24 | |
| 7086581847 | protein | consist of amino acids and play a central role in biological processes | 25 | |
| 7086582988 | saturated fats | Solid at room temperature | 26 | |
| 7086583411 | unsaturated fats | liquid at room temperature | 27 | |
| 7086584354 | monosaccharide | A single sugar molecule such as glucose or fructose, the simplest type of sugar. | 28 |
