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Elements And Compounds
Test Description: Review Elements, Compounds, Density, and Metals, Non-Metals, Metalloids
Instructions: Answer all questions to get your test result.
1) The fact that Iron cannot be changed into a simpler form tells you that Iron is ___.
A
a mixture
B
a compound
C
a molecule
D
an element
2) Compounds are substances that are made up of _______________.
A
all the same element
B
two or more elements
C
mixtures
D
substances
3) _________ can be broken down into simpler substances
A
Elements
B
Compounds
C
Atoms
D
Electrons
4) There are approximately ________ elements
A
endless
B
115
C
90
D
100
5) In what side of the Periodic Table can the Non-Metals be found?
A
Top
B
Left
C
Middle
D
Right
6) What are a few of the main characteristics of Non-Metals?
A
Dull and Brittle
B
Blue and Powdery
C
Shiny and Maleable
D
Conductive and Magnetic
7) How do metalloids compare to metals and non-metals?
A
Have properties more similar to non-metals
B
Have properties completely different from metals and non-metals
C
Have properties more similar to metals
D
Have properties similar to metals and non-metals
8) A marble has a volume of 10 ml. It also has a mass of 20g. Calculate the density of the marble.
A
200 g/ml
B
2 g/ml
C
30 g/ml
D
0.5 g/ml
9) A substance that cannot be broken down into a simpler form by ordinary chemical means is called a(n)
A
Compound
B
Isotope
C
Element
D
Mixture
10) A substance whose density is greater than 1 g/mL will
A
fly
B
change colors
C
sink
D
float
*select an answer for all questions
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