Matter 1 Vocabulary

3. Ability to be hammered into different shapes.
8. Ability to be drawn into a wire.
10. The average mass of all the isotopes of an element.
11. The number of protons in the nucleus of an atom.
13. The positively charged sub-atomic particle found in the nucleus of an atom.
14. A small particle in the nucleus of the atom, with no electrical charge.

1. Anything that has mass and takes up space.
2. A horizontal row of elements in the periodic table.
4. A pure substance that cannot be broken down into other substances by chemical or physical means.
5. Having a shiny surface or reflecting light brightly.
6. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
7. The negatively charged sub-atomic particle found in the space around the nucleus.
9. Elements in the same vertical column of the periodic table; also called family.
12. The transfer of thermal energy from one particle of matter to another.