Atomic Attack
A positively charged particle that is found in an atom's nucleus.
What is a proton?
Pure copper is which of the following: element, compound, mixture
What is an element?
Tearing paper is an example of this...
What is a physical change?
This law says matter is not created or destroyed in ordinary chemical reactions.
What is the Law of Conservation of Mass?
This is the only planet in the Milky Way that is known to support life.
What is Earth?
This subatomic particle has a negative charge.
What is an electron?
Salt water is an example of this?
What is a mixture?
Iron rusting is an example of this...
What is a chemical change?
A sealed container starts with 50 grams of matter. This is the total mass after the reaction.
What is 50 grams?
This is the largest organ in the human body.
What is the skin?
These two subatomic particles are found in the neucleus.
What are protons and neutrons?
A substance made of two or more elements chemically bonded together.
What is a compound?
This is one sign that may indicate a chemical reaction has occured.
What is, gas production, temperature change, color change, precipitate forms, or light emission...
This is why an open container might lose measured mass during a bubbling reaction.
What is gas escapes into the atmosphere?
This sea creature has three hearts and blue blood.
What is an octopus?
If an atom has 7 protons and 7 neutrons, its nucleus contains this number of particles.
Air is an example of this.
What is a mixture of gases?
Cooking an egg is an example of this...
12 grams of substance A reacts with 8 grams of substance B in a closed system. This is the total mass of the products.
What is 20 grams?
This is the only mammal capable of true, sustained flight.
What is a bat?
A atom has 6 protons, 6 neutrons, and 6 electrons. In a Bohr model, the electrons would be arranged like this.
What is 2 in the first shell and 4 in the second shell?
This is why H₂O is a compound rather than a mixture.
What is, hydrogen and oxygen are chemically bonded in a fixed ratio.
A candle burns and wax melts. This action is a chemical change, and this action is a physical change.
What is the candle burning is a chemical change and the wax melting is a physical change.
A balloon inflates during a reaction in a sealed bottle. Did this reaction create matter? Explain.
During a thunderstorm. you see lightening before you hear thunder. This happens because one travels much faster than sound.
What is light?