Chemistry

2. a solid solution of two or more metals
3. a pure substance that cannot be broken down into simpler chemical substance by any physical or chemical means
7. an element in Group 1 of the periodic tabe
8. a negatively charged ion
10. an element that has properties of both metals and non-metals
11. a pure substance composed of two or more different elements that are chemically joined
13. a uniform mixture of two or more substance
15. a substance that is made up of at least two different types of particles

1. two or more atoms of the same or different elements that are chemically joined together in a unit
4. an element,usually a gas or dull powdery solid, that does not conduct heat or electricity
5. a solid that separates a solution
6. Physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, esp. as...
9. the degree to which a fluid resists flow
12. the smallest unit of an element
14. particle that has either a positive or a negative charge