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Which of the following is a physical property of copper?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
These elements are listed with their density: (Al) 2.7, (Cu) 8.9, (Au) 19.3, (Fe) 7.9, (Pb) 11.3, (Hg) 13.6. Which element below has particles that are packed the closest together?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
Iron (Fe2) in the presence of oxygen (O2) creates rust (Fe2O3). The process of rusting would be an example of what?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
Which of the following is an example of a physical change?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
Which of the following would NOT be a physical change?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
Fire protectant suits that firefighters wear are not flammable, flammability is an example of which of the following?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
Use the following symbols Hydrogen (H) Helium (He) Oxygen (O) Carbon (C) Silicon (Si) Iron (Fe). Which of the following is a compound?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
Which of the following would be a chemical change?
chemical change
You eating food and using it for energy.
can be formed into a wire
A glass cup falling from the counter and shattering on the floor.
Burning gasoline in a lawnmower.
Chemical property
CO
Au
Check it!