1. What physical properties are used to classify elements as metals, non-metals, or metalloids?
A. Density, mass, ability to burn
B. Malleability, luster, conductivity
Smell, physical state, color
Hardness, reactivity, streak

2. The word “ductile” refers to which property of matter?
The ability to conduct electrical or thermal energy
Capable of being drawn out into thin wires
The way a surface appears when it reflects light
Suitable for being shaped by bating or rolling

3. Which of the following correctly lists the three main groups of elements from least conductivity to greatest conductivity?
Non-metals metalloids metals
Metals non-metals metalloids
Metalloids metals nonmetals
Metals metalloids non-metals

4. The word “malleable” refers to which property of matter?
The ability to conduct electrical or thermal energy
Capable of being drawn out into thin wires
The way a surface appears when it reflects light
Suitable for being shaped by bating or rolling

5. The elements rhodium, chromium, & tungsten are metals
The elements rhodium, chromium, & tungsten are metals. What property would these elements not have in common?
Good conductor of thermal energy
Poor conductor of electricity
Shiny, lustrous surface
Soft and ductile

6. The table shows the properties of four elements
The table shows the properties of four elements. Which element in the table is classified as a non-metal?
Element
Luster
Conductivity
Malleability
Neon
Colorless
Poor conductor
Not able to be stretched
Silicon
Dull, metallic
Conducts heat well
Brittle, shatters when shaped
Sulfur
Dull
Does not conduct electricity
Cannot be stretched
Manganese
Shiny
Conducts electricity
Can be hammered into thin sheets
Manganese B. Sulfur
C. Silicon D. Neon

7. The word “conductivity” refers to which property of matter?
The ability to conduct electrical or thermal energy
Capable of being drawn out into thin wires
The way a surface appears when it reflects light
Suitable for being shaped by bating or rolling

8. Which of the following is a not a property of a metal?
Conducts electricity and heats well
Can be hammered into thing sheets
Is brittle and breaks easily
Has a shiny, metallic luster

9. All of the following are properties used to classify elements as metals, non-metals, and metalloids EXCEPT:
Conductivity
Malleability
Texture
Luster

10. Boron is classified as a metalloid while phosphorus is classified as a non-metal. Which physical property do these two elements most likely have in common?
They both-
Exist as gases at room temperature
Have a metallic shine or luster
Are brittle and shatter easily
Conduct electricity very well

11. A Area W B Area X C Area Y D Area Z
The diagram shows the Periodic Table separated into four areas. In which area of the Periodic Table are the metalloids located?
A Area W B Area X C Area Y D Area Z

12. The diagram shows the location of some elements on the Periodic Table
The diagram shows the location of some elements on the Periodic Table. Which element is classified as a metalloid?
A Beryllium (Be)
B Fluorine (F)
C Silicon (Si)
D Lead (Pb) Be F Si Pb

13. A student tested the conductivity of four elements using an incomplete electrical circuit. When the element is placed in the circuit, the bulb lights up brightly, lights up dimly, or does not light up at all, based on the element’s ability to conduct electricity. The table shows the results of her investigation.
Element Conductivity
Helium Bulb did not light
Germanium Bulb burned dimly
Silver Bulb did not light
Krypton Bulb burned brightly
Based on the results of the conductivity test, which element is classified as a metal?
A Helium B Germanium C Silver D Krypton

14. The characteristics of some elements are listed
The characteristics of some elements are listed. Based on the characteristics, decide which are metals.
A gas, poor conductor of electricity B solid, brittle C solid, malleable D liquid, poor conductor of heat

15. The table shows the physical properties of four elements.
Element Luster Conductivity Malleability
Platinum Shiny, white Conducts heat and electricity Rolls into thin sheets easily
Sulfur Dull Poor conductor of heat & electricity Brittle, breaks easily
Tin Silvery Conducts heat and electricity Shapes into thin sheets
Polonium Metallic Semi-conductor of electricity and heat Can somewhat be shaped into sheets
Which element is classified as a metalloid?
A Platinum B Sulfur
C Tin D Polonium

16. How many elements are in the following formulas?
C12H22O11 Na3PO4 NaHCO3. NaCl NH3 CO2 NaNO3

17. The table shows the classification and physical state of four elements.
Element State Classification
Cobalt Solid Metal
Arsenic Solid Metalloid
Hydrogen Gas Non-metal
Carbon Solid Non-metal
Which element most likely has a shiny luster?
A Cobalt B Arsenic
C Hydrogen D Carbon

18. All of these properties describe metals EXCEPT —
A brittle.
B shiny.
C conductor.
D malleable.

19. Conductivity is a physical property of matter that describes its ability to —
A reflect light from its lustrous surface.
B transfer thermal and electrical energy.
C exist in nature as a solid, liquid, or gas.
D be hammered and rolled into thin sheets.

20. The table shows the properties of three classifications of elements.
(A) __________ (B) __________ (C) __________
No luster Shiny or dull Shiny
Brittle Usually brittle Malleable
No conductivity Semi-conductors Good conductors
What are the best headings for columns A, B, and C?
A (A) Metals, (B) Non-metals, and (C) Metalloids
B (A) Non-metals, (B) Metalloids, and (C) Metals
C (A) Metals, (B) Metalloids, and (C) Non-metals
D (A) Non-metals, (B) Metals, and (C) Metalloids

21. Which of the following would help a student classify an unknown element as a metal, metalloid, or non-metal?
A Measure its conductivity
B Determine its density
C Find its melting point
D Observe its color

22. Density is calculated ay dividing the mass of a substance by its
Volume
Weight
Length
temperature

23. The density of water is 1 g/cm³
The density of water is 1 g/cm³. A substance will float if its density is less than that of water. Which of the following substances will float?
Substance
Mass
Volume 1 6g
3cm³ 2 8g
4cm³ 3
10g
2cm³ 4 2g
Substance 1
Substance 2
Substance 3
Substance 4

24. The table provided shows the masses and volumes of four blocks.
Which block has the greatest density?
Block 1 B. Block 2
C. Block 3 D. Block 4
Block
Mass
Volume 1
6 g
3 ml 2
5 g
2 ml 3
2 g
1 ml 4
1 g

25. An object has a mass of 253 g and a volume of 10 cm³
An object has a mass of 253 g and a volume of 10 cm³. What is the density of the object in g/cm³?

26. What units are mass measured in?

27. What units are volume of a rectangular prism measured in?

28. What volume units are an irregularly shaped object measured in?

29. What units are density of an irregularly shaped object measured in?

30. What units is the density of a rectangular prism measured in?

31. A diamond’s density is 3.2 g/cm³
Determine the mass of a diamond that has a volume of 0.10 cm³.

32. The mass of a 510 cm³piece of material is 30g.
Determine the density of this material.

33. The table gives the densities of 4 transparent materials.
Substance
Density
Quartz
2.7 g/ml
Lucite
1.2 g/ml
Polyethylene
.85 g/ml
Glass
2.3 g/ml
What else do they need to know to identify the substance?

34. Determine the density of a sample of an unknown substance with a mass of 6 grams and a volume of 12 cm³.

35. Which sample in the chart has the greatest density?
Volume
Mass 1
15 cm
30 g 2
20 cm
60 g 3
3 cm
5 g 4
48 cm
100 g

36. What is the correct calculation for determining the density of an object with a mass of 72 g and a volume of 8 mL?

37. A rock with a mass of 70 grams is dropped into a graduated cylinder with 20 mL of water in it. The water level rose to 25 mL. Identify the equation and solve for the density.

38. The table shows the properties of 4 different materials
The table shows the properties of 4 different materials. One of which floats on water. Which material will float on water?
Material
Mass
Volume 1
98 g
57cm³ 2
62 g
31 cm³ 3
25 g
100 cm³ 4
150 g
75 cm³

39. How does the mass have to compare to the volume for a substance to be more dense than water?

40. How does the mass have to compare to the volume for a sample to be less dense than water?

41. A gem stones density is 4 g/cm³.
(Think how the mass and volume relate).
Which of the following gemstones is the only possibility?
Gemstone #1 mass = 1 g; volume = 1cm³
Gemstone #2 mass = 8 g; volume = 2 cm³
Gemstone #3 mass = 50g; volume = 4 cm³
Gemstone #4 mass = 24g; volume = 8 cm ³

42. What is the volume of a diamond that has a mass of 2 g?
A diamond’s density is ≈ 4 g/cm³.
What is the volume of a diamond that has a mass of 2 g?

43. A rock’s density is 5 g/cm³
A rock’s density is 5 g/cm³. Determine the mass of the rock if it has a volume of 20cm³.

44. The table provided identifies a substance based on its density.
A sample of an unknown substance has a mass of 89 grams and a volume of 10cm³. Based on its density, it is which one?
Metal
Density g/cm³
Aluminum
2.7
Brass
8.5
Copper
8.9
Gold
19.3

45. A sample of an unknown substance has a mass of 28 grams and a volume of 4 cm³. Based on its density, it could be which of the following substances.
Metal
Density g/cm³
Gold 14
Iron 8
Lead 11
Tin 7

46. Physical properties of minerals such as color, hardness, luster, and streak are used to determine what about a mineral?

47. How does a scientist test a mineral for hardness?

48. When a colored powder is left behind when a mineral is rubbed on a special tile to test properties of a mineral is called __________________.

49. Describe Luster…

50. Using your journal – Mohs Hardness Scale
A mineral with a hardness of 5 can scratch which other minerals?

51. How are minerals identified using luster?

52. If one were to observe samples of the minerals from the table, which two would appear similar? Explain!!!
Mineral
Color
Streak Color
Hermatite
Black/Gray
Dark red
Chalcopyrite
Yellow
Greenish black
Biotite
White
Citrine
Platinum
Gray
Alabandite
Black
green

53. A student uses the chart below and is told to identify a mineral having a waxy luster and a hardness of 6.75, What is the identity of the mineral?
Mineral
Hardness
Luster
Actmite
5 to 6
Glassy
Jadeite
6.5 to 7
Waxy
Cobaltite
5.5
Metallic
Talc
1.5 to 2.5

54. Using your journal – Mohs Hardness Scale
Which mineral can scratch Apatite, but is scratched by Quartz?

55. ???What can we conclude???
We have 2 substances, both have the same mass. One displaces more water than the other. Which one is more dense? Explain (Hint: d = m ÷ v)

56. What is the most reliable clue in identifying a mineral?
Density

57. What is the least reliable physical property for identifying minerals?
Color

58. What are the three most used properties for identifying minerals?
Hardness, streak, and density.

59. Explain why color is not a good test for distinguishing between pyrite and gold what test is most reliable for identifying these two minerals?
Because they look alike

60. Why is color alone not a reliable way to identify minerals?
2 different minerals can be the same color.