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atoms and elements
Atoms and Elements Review
| Question | Answer |
|---|---|
| Anything that has mass and takes up space. | MATTER |
| Smallest unit of matter. | ATOM |
| To be easily broken. | BRITTLE |
| NEGATIVE electrical charged particles found in the electron cloud (orbits the nucleus). | ELECTRONS |
| CENTRAL part of the atom. | NUCLEUS |
| POSITIVELY charged particles found in an atom's nucleus. | PROTONS |
| Particles with NO charge. | NEUTRONS |
| A pure substance made of only one kind of atom. | ELEMENT |
| Able to be drawn into long wires. | DUCTILE |
| Able to be hammered or rolled into flat sheets or other shapes. | MALLEABLE |
| A characteristic of a substance that can be observed without changing the substance into another substance. | PHYSICAL PROPERTY |
| A ROW across the periodic table. | PERIODS |
| A COLUMN in the periodic table. | GROUP |
| States that matter cannot be created or destroyed, it only changes form. | LAW OF CONSERVATION |
| A chart of all known elements. | PERIODIC TABLE |
| Elements found in the LEFT side of the periodic table, which share properties. | METALS |
| Elements found on the RIGHT side of the periodic table. | NONMETALS |
| Substance through which heat and electricity travel well. | CONDUCTOR |
| Shine of a metal. | METALLIC LUSTER |
| Substance that does NOT conduct heat or electricity easily. | INSULATOR |