Test #1 Study Guide
1. Review basic lab safety rules.
2. Review laboratory equipment worksheet.
3. Be sure to know all element flashcards.
4. Chemistry is the study of the __composition____________ , __structure_______________,
and __properties_________________ of matter.
5. What are the six branches of chemistry?
_Organic, Inorganic, Physical, Analytical, Biochemistry, and
Theoretical_________________________________________________________________
6. What is studied in each of these branches? (Review Chemistry is a Physical Science
questions)
7. Basic research is performed to __gain knowledge____________________.
8. Applied research is performed to ___solve problems___________________________.
9. Technology is the _application________ of __knowledge___________ to make life easier.
10. Anything that has takes up space and has mass is known as _matter________________.
11. Matter is classified into _substances_______ and ____mixtures___________________.
12. Name the two kinds of substances. compound____________ and ___element___________
13. Name the two types of mixtures. _heterogeneous________ and ____homogeneous________
14. How are the two types of mixtures distinguished?
Homogeneous - uniform_____________heterogeneous - nonuniform________________
15. A compound is made up of two or more elements that are chemically _bonded____________
to one another.
16. A substance made up of only one kind of atom is a(n) _element_________________.
17. What type of substance can be separated by ordinary chemical means? _compound________
18. What is the definition of a mixture? Blend of two or more kinds of matter each retaining its
own identity_______________________________________________
19. A _chemical________________ change produces new substances with new and different
physical properties.
20. After a __physical________________ change, the material is the same chemical make-up as
it was before the change.
21. Classify the following changes as chemical or physical.
__C___ silver tarnishing
__P__ paper shredding in a shredder
__C___ iron rusting
__P___ butter melting in a dish
__P___ sublimation of frozen water in a freezer
__P___ sugar dissolving in tea
__C___ apple juice fermenting
__C___ bread baking
__C___ baking soda and vinegar reacting
__C___ log burning
__C___ food digestion
__P___ steel melting
__P___ ice cream freezing in ice cream churn
__P___ distillation of alcohol
22. Classify the following as physical properties or chemical properties.
__C___ metal reacting in acid to produce hydrogen gas
__P___ solubility
__P___ color
__C___ burning
__P___ taste
__C___ reacts with water
__P___ odor
__C___ reacts with base
__P___ density
__P___ boiling point
__C___ explosive
__P___ melting point
_C____ flammable
_C____ neutralizes acids
_P____ refractive index
_P____ luster
23. Elements are classified as _metals_______________, __metalloids_______________, and
__nonmetals________________________.
24. What type of element is the greatest in number? __metals_________________
25. The _metalloids___________________ are found along the stair – step line. They are
sometimes referred to as __semiconductors___________________ of electricity.
26. Classify the following characteristics as those of metals (M), nonmetals (NM) or metalloids
(S).
__M___ good conductor of electricity
__M___ malleable
__M___ good conductor of heat
__M___ ductile
__NM___ dull and brittle
__M___ shiny
__S___ semiconductors
_NM____ most are gases
__M___ most are solids
__NM___ poor conductor of electricity
27. All of the elements are organized into a table called the _periodic_________________ table.
The horizontal rows are called ___periods_________________. The vertical columns are
called __groups______________.
28. All of the elements have their own chemical _symbol______________ which is usually the
first letter or first and second letter of their name.
29. What are the four states of matter? _plasma________________, _solid______________,
_liquid______________, __gas_____________
30. Which state of matter has a definite shape and definite volume? _solid_____________
31. Which state of matter has a definite volume but not a definite shape? _liquid___________
32. Which state of matter does not have a definite volume or shape? _gas_____________
33. Which state of matter is not made up of atoms but of charged particles?
_plasma____________
34. Which group of the periodic table is called the noble gases? _18___________What is special
about the noble gases? ___unreactive___________________________________________
35. Where are the metals located on the periodic table? _left of staircase__________________
Where are the nonmetals located? _right of staircase____________________
36. What is the name for group 1? Alkali metals_______ Group 2? Alkaline earth metals_____
Groups 3 through 12? Transition metals__________ Group 17? ___halogens________
37. A chemical change is represented with a chemical equation_________________. The
reactants____________ are on the left side of the arrow and the _products_______________
are on the right side of the arrow.
38. What is the difference between a chemical property and a physical property? _chemical –
ability to undergo change into new substances____________________________
39. Extensive properties depend on the amount of matter and intensive properties are
independent of the amount of matter present. Classify the following as extensive or intensive
physical properties.
_E____ mass
_I____ boiling
_I____ color
_E____ height
_E____ length
_I____ odor
_E____ solubility
_I____ density
_E____ volume
__I___ reactivity