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All of the following are signs that a chemical change has taken place EXCEPT for:
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
Oxides are compounds that always include
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
In the periodic table, what is a group?
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
A 7.0 g rock is dropped into a graduated cylinder containing 15.0 mL of water. The water level rises to 18.0. What is the volume of the rock?
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
Iron and oxygen form iron oxide which is commonly called rust. Which of the following is a product in the reaction?
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
According to the periodic table, how many electrons does an uncharged element of oxygen have?
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
One special type of solution that is not a liquid, but a solid, includes metals such as bronze, brass, and stainless steel. These metals are called____.
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
This gas makes up over 65% of your body:
oxygen
iron oxide
substance boils.
a vertical column with similar properties
alloys
8
oxygen
3.0 mL
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