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Which of the following would NOT be a physical change?
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
Which of the following would be an example of a HETEROGENEOUS MIXTURE?
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
Which of the following is an example of a physical change?
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
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?
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
Pick the chemical change out of the following.
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
Which of the following is a physical property of copper?
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
Use the following symbols Hydrogen (H) Helium (He) Oxygen (O) Carbon (C) Silicon (Si) Iron (Fe). Which of the following is a compound?
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
Iron (Fe2) in the presence of oxygen (O2) creates rust (Fe2O3). The process of rusting would be an example of what?
can be formed into a wire
A burrito
Au
chemical change
Burning gasoline in a lawnmower.
A firework exploding
CO
A glass cup falling from the counter and shattering on the floor.
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Match it!
Match it!