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Compounds
Test Description: 5-8 self-contained
Instructions: Answer all questions to get your test result.
1) When Iron is combined with Oxygen _________________ is formed.
A
carbon dioxide
B
rust
C
tyler's socks
D
metal
2) _________________ retain the properties of the substances that make them up.
A
mixtures
B
compounds
C
atoms
D
elements
3) __________________ is a change of matter that results in a new substance that is different from the original substances.
A
A physical change
B
A chemical change
C
Alena's shoes
D
A mixture
4) A ________________ is formed when the atoms of two or more elements combine.
A
mixture
B
red turtle shell
C
compound
D
element
5) Adding heat to a marshmallow will produce ____________ and ____________.
A
nitrogen and sulfur
B
oxygen and gold
C
Ruben's cast
D
carbon and water vapor
6) The compound is often the name of the _______________ plus a modified form of the second elements name.
A
color that it is
B
city where it was invented
C
first element
D
third element
7) A ________________ shows which elements have combined to form that particular compound.
A
chemical formula
B
a squirrel's house
C
chemical recipe
D
chemical anagram
8) _________________ let you know the number of atoms that have combined.
A
subscripts
B
oxidases
C
Romans
D
element numbers
9) You can check ________________ properties like density, freezing, melting, and boiling points and color.
A
physical
B
social
C
chemical
D
real estate
10) You can check _______________ properties. For example the color the atoms give off when they are reacting. Certain compounds give off certain colors.
A
physical
B
social
C
real estate
D
chemical
*select an answer for all questions
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