Atom Vocab Puzzle

3. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; the number of protons determines the identity of the element.
5. A compound is a material formed from elements chemically combined in definite proportions by mass
6. An elementary particle found the atomic nucleus* of all stable atoms except the hydrogen-1 atom
7. An element is a substance composed of atoms with identical atomic number
10. A sample of matter consisting of more than one pure substance
11. Having uniform properties or composition.
12. The total number of protons* and neutrons* in an atom or ion
13. A tiny, incredibly dense positively charged mass at the heart of the atom
14. The number of protons* in an atomic nucleus
16. A cation is a positively charged ion

1. There is no change in total mass during a chemical change
2. An atom or molecule that has acquired a charge by either gaining or losing electrons
3. An anion is a negatively charged ion.
4. An elementary particle found the atomic nucleus* with a positive charge equal and opposite that of the electron
8. Matter is anything that has mass
9. A sample of matter that cannot be separated into simpler components without chemical change
15. fundamental consituent of matter, having a negative charge