| Ag |
symbol of the chemical element silver. |
| Al |
symbol of the chemical element aluminum. |
| aluminum |
a strong, light, silver metal that does not easily rust. Aluminum is a chemical element. (symbol: Al) |
| As |
symbol of the chemical element arsenic. |
| aspect |
a part or element. [1/4 definitions] |
| atom |
the smallest possible unit of a chemical element. The major parts of atoms contain protons, neutrons, and electrons. They are the basis of all matter in the universe. [1/2 definitions] |
| Au |
symbol of the chemical element gold. |
| B |
symbol of the chemical element boron. |
| Ba |
symbol of the chemical element barium. |
| barium |
a chemical element. Barium is usually found in compounds with other elements. (symbol: Ba) |
| Be |
symbol of the chemical element beryllium. |
| Br |
symbol of the chemical element bromine. |
| C2 |
symbol of the chemical element carbon. |
| Ca |
symbol of the chemical element calcium. |
| carbon |
a chemical element found in all living things. Pure carbon occurs as diamond or graphite. It is also often found in compounds with other elements. (symbol: C) |
| cellulose |
the main element of plant tissue, used in making paper, cellophane, and fabrics. |
| Cl |
symbol of the chemical element chlorine |
| Co |
symbol of the chemical element cobalt. |
| Cr |
symbol of the chemical element chromium. |
| dioxide |
a compound containing two atoms of oxygen bound to a single atom of another element. |
| F2 |
symbol of the chemical element fluorine. |