Which of these grouping of elements could have the characteristic of luster (shiny)?
Metal
Nonmetal
metalloids
Both metals and metalloids
2. Multiple Choice
45 seconds
1 pt
Which of these is a property of metals?
It's malleable
It can't conduct electricity
They are used in food
It's very brittle
3. Multiple Choice
45 seconds
1 pt
Brittle
Metal
Nonmetal
4. Multiple Choice
45 seconds
1 pt
Good conductor of heat
Metal
Nonmetal
5. Multiple Choice
45 seconds
1 pt
Which element is a metalloid?
Titanium
Selenium
Potassium
Polonium
6. Multiple Choice
45 seconds
1 pt
Iron is a good conductor, malleable and magnetic. What type of element is Iron?
Metal
Nonmetal
Metalloid
Pretty
7. Multiple Choice
45 seconds
1 pt
A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a
metal
nonmetal
metalloid
cannot be determined
8. Multiple Choice
45 seconds
1 pt
Which of the following is a property of a non-metal?
Conducts electricity and heats well
Can be hammered into thin sheets
Is brittle and breaks easily
Has a shiny, metallic luster
9. Multiple Choice
45 seconds
1 pt
All of the following are properties used to classify elements as metals, non-metals, and metalloids EXCEPT —
texture
conductivity
luster
malleability
10. Multiple Choice
45 seconds
1 pt
Which of the following correctly lists the three main groups of elements from greatest conductivity to least conductivity?
Nonmetals -metalloids-metals
metals-nonmetals-metalloids
metalloids-metals-nonmetals
metals-metalloids-nonmetals
11. Multiple Choice
45 seconds
1 pt
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?
Metal
Nonmetal
Metalloid
Pretty
12. Multiple Choice
45 seconds
1 pt
John was observing the physical properties of elements in order to classify them as either a metal, nonmetal, or metalloid. The first element was dull, brittle, and did not conduct heat. What would its classification be?
metal
nonmetal
metalloid
13. Multiple Choice
45 seconds
1 pt
´Elizabeth was examining elements and their physical properties. She described an element is her science journal as having no shine, an insulator, and very brittle. What would this element be a metal, nonmetal, or metalloid?
metal
nonmetal
metalloid
14. Multiple Choice
45 seconds
1 pt
If a material can easily be drawn into the shape of a wire, it is
Ductile
Magnetic
Malleable
Reactive
15. Multiple Choice
45 seconds
1 pt
All of the following would classify an element as a metal except?
Dull
Luster
Malleable
Hard
16. Multiple Choice
45 seconds
1 pt
Which table below correctly lists the properties of metals and nonmetals? *
A
B
C
D
17. Multiple Choice
45 seconds
1 pt
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 below shows the results of her investigation. Based on the results of the conductivity test, which element is classified as a metal?
Hydrogen
Arsenic
Krypton
Copper
18. Multiple Choice
45 seconds
1 pt
The word “luster” 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 beating or rolling
19. Multiple Choice
45 seconds
1 pt
If a substance is magnetic it is most likely a
metal
non-metal
20. Multiple Choice
45 seconds
1 pt
The table shows the properties of four elements. Which element in the table is classified as a metal?