Vocab Review

3. vertical column of periodic table
6. how close the measurement is to the correct value
7. definite volume and definite shape, particles are packed together
9. the substances formed from a chemical change
10. positive charge found in nucleus of atom
12. neither definite volume nor definite shape, particles move much more rapidly
16. element that shares characteristics of metals and nonmetals
17. atoms of the same element that have different masses
18. poor conductor of heat and electricity
23. the substances that begin a chemical change
25. only electrons in the outer most shell of an atom
26. can be broken down into simpler, stable substances

1. definite volume but shape can change due to movement of particles
2. the change of matter from one state to another
4. horizontal row of periodic table
5. testable statement
6. the smallest unit of an element that maintains the chemical identity of that element
8. how close to a set of measurements made in the same way are to each other
11. total number of protons and neutrons
13. a good electrical conductor and good heat conductor
14. mass divided by volume
15. a pure substance that cannot be broken down into simpler, stable substances
19. takes up space and has mass
20. the number of protons of an atom of that element
21. neutral charge found in nucleus of atom
22. a measure of the amount of material that makes up an object or substance
24. negative charge found in moving around nucleus of atom