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Matter

QuestionAnswer
1. Where are transition metals located on the periodic table? in the middle and the bottom
2. Where are the least reactive elements on the periodic table? all the way to the right
3. Where are the most reactive elements on the periodic table? all the way to the left
4. Where are the metalloids on the periodic table? on the zigzag line
5. Where are the nonmetals on the periodic table? on the upper right
6. Where are the metals on the periodic table? on the left, and in the middle, also includes the transition metals
7. What is the smallest part of an element? an Atom
8. What is the smallest part of a compound? a molecule
9. What does a period represent? rows , and energy levels
10. What does a group represent? number of valence electrons, also called family's
11. What is the definition of mass? how much matter is in a object
12. What is the Law of Conservation of Matter? matter cannot be created nor destroyed
13. What is the definition of density? how tightly packed an object is
14. What is the formula for density? P=M/V, usually shows up as G/ML
15. What are the types of physical properties? texture, color, odor, density, size, hardness, phase of matter, mass, boiling point, melting point, solubility, luster, and conductivity
16. What are the types of chemical properties? toxicity, reactivity, and combustibility
17. What is the definition of melting point? the temperature were a solid will melt, it is the same temperature as the freezing point
18. What is the definition of combustibility? the measure of how easily a substance will burn
19. What is the definition of reactivity? how easily an atom has a chemical reaction
20. What is the definition of boiling point? the temperature were a liquid boils and turns into a vapor, or a liquid to a gas
21. What is a solute? substance dissolved into another substance
22. What is a solvent? what is dissolved in
23. What is a solution? a substance dissolved into another substance, a solute dissolved in a solvent
24. What is a homogenous mixture? a solid, liquid, or gas that can mix with the same type of component, every part of it is the same. Pure substance
25. What is a heterogeneous mixture? mixture of components that whose proportions differ through out the mixture, can easily be separated
26. What does the atomic number represent? the number of protons in a element
27. What does the atomic mass represent? number of protons and neutrons in an atom, usually the number of electrons
28. What is a noble gas? a group of chemical elements with similar properties, on the far right, least reactive
29. How do you find the number of neutrons? round the atomic mass to the nearest whole number, then subtract the number of protons from the mass number
30. What are reactants and products? reactants are the substances you have at the begining, and products are new substances
Created by: Aiden333