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More Matter

1. Where are transition metals located on the periodic table? Middle and Bottom
2. Where are the least reactive elements on the periodic table? The far right
3. Where are the most reactive elements on the periodic table? The far left
4. Where are the metalloids on the periodic table? zig zag line
5. Where are the nonmetals on the periodic table? upper right + hydrogen
6. Where are the metals on the periodic table? Left of zig zag
7. What is the smallest part of an element? atom
8. What is the smallest part of a compound? molecule
9. What does a period represent? Energy levels; rows
10. What does a group represent? number of valence electron columns
11. What is the definition of mass? it is the amount of matter in an object
12. What is the Law of Conservation of Matter? matter can not be created or destroyed
13. What is the definition of density? how tightly packed something is
14. What is the formula for density? mass divided by volume shows as g/mL
15. What are the types of physical properties? Density, Melting point, boiling point, size, color, hardness, luster.phase of matter, mass , conductivity, solubility
16. What are the types of chemical properties? Reactivity, combustibility, toxicity
17. What is the definition of melting point? The temp. which something melts same temp as freezing point
18. What is the definition of combustibility? The ability for something to catch fire and how easily
19. What is the definition of reactivity? How reactive a mixture is how easily
20. What is the definition of boiling point? The point something boils liquid is gas
21. What is a solute? A substance that is dissolved in another substance
22. What is a solvent? The liquid that dissolves the solute
23. What is a solution? substances in a mixture that are evenly distributed , all parts are the same, solute dissolved in solvent
24. What is a homogenous mixture? Same parts throughout the whole mixture:pure substance
25. What is a heterogeneous mixture? Mixture that is not the same through out :can be easily separated
26. What does the atomic number represent? Number of protons usually number of electrons
27. What does the atomic mass represent? The mass of the atom:protons+ neutrons
28. What is a noble gas? They do not react with other elements far right least reactive
29. How do you find the number of neutrons? round atomic mass to nearest whole number (mass number) Subtract the mass number and the Atomic number
30. What are reactants and products? reactants are the elements or substances that are doing the reaction. Product is what the reaction makes.
Created by: JAKOB.