periodic table by maggie
Across
- 4. property- property of matter that can be observed with out changing the composition of identity of matter.
- 5. any of a class of elementary substances as gold,silver or copper, all of which are crystalline.
- 7. a nonmetal that in combination with a metal forms an alloy.
- 8. element that gives off high energy rays or perticles.
- 11. table-a chart where all elements are organized into periods and groups according to there properties.
- 12. mass- in the average mass of an atom of that element.
- 14. each row of elements in the periodic table.
- 15. an element not having the character of a metals as carbon or nitrogen.
- 16. –amount of mass in a given volume of a substance or object found by dividing the mass of the object by its volume.
- 17. going up and down the periodic table.
Down
- 1. each column in the periodic table.
- 2. gases- group of elements in the periodic table that generally do not react with other elements.
- 3. something to do with noble gases.
- 6. the large number 3 in front of the H.
- 9. a mixture of two or more elements.
- 10. simplest form of matter.
- 13. reaction- Takes place when one or more substances changes to form one.