Terms : Hide Images
| 5060941608 | atom | the building blocks of matter | 0 | |
| 5060941609 | nucleus | part of atom where protons/neutrons are located | 1 | |
| 5060942203 | proton | positively charged particles in an atom | 2 | |
| 5060942204 | neutron | particles of an atom with no charge | 3 | |
| 5060943255 | electron | negatively charged particles in an atom | 4 | |
| 5060943771 | element | pure substance which cannot be broken down into other substances | 5 | |
| 5060944904 | isotope | atoms of the same element that have different # of neutrons | 6 | |
| 5060944905 | compound | pure substance formed from two or more different elements | 7 | |
| 5060945660 | covalent bond | chemical bond formed from the sharing of electrons | 8 | |
| 5060946244 | molecule | compound formed by covalent bonds between its atoms | 9 | |
| 5060946245 | ion | charged particle formed when an atom loses or gains electrons | 10 | |
| 5060947088 | ionic bond | electrical attraction between two oppositely charged ions | 11 | |
| 5060947926 | chemical reaction | process by which atoms or groups of atoms in substances are reorganized into different substances | 12 | |
| 5060947927 | reactant | starting substances of a chemical reaction | 13 | |
| 5060948649 | product | substances formed during a chemical reaction | 14 | |
| 5060949941 | catalyst | substance which lowers the activation energy | 15 | |
| 5060949942 | enzyme | special proteins; biological catalysts | 16 | |
| 5060951728 | acid | substances which release hydrogen ions when dissolved in water | 17 | |
| 5060951729 | base | substances which release hydroxide ions when dissolved in water | 18 | |
| 5060953159 | macromolecule | large molecules formed by joining smaller organic molecules together | 19 | |
| 5060953160 | polymer | molecules made from repeating units of identical or nearly identical compounds called monomers | 20 | |
| 5060954073 | carbohydrate | compounds made of carbon, hydrogen, and oxygen | 21 | |
| 5060954660 | lipid | molecules which make up fats, oils, & waxes | 22 | |
| 5060954661 | protein | compound made of small carbon compounds called amino acids | 23 | |
| 5060956211 | amino acid | building blocks of proteins which are made of carbon, hydrogen, oxygen, & nitrogen | 24 | |
| 5060959083 | nucleic acid | complex macromolecules that store genetic information | 25 |
