Particle Theory of Matter
Fill in the blanks
All particles have large _____________ between them?
What are spaces
What is the type of matter that is made of only one type of atom and cannot be broken down into simpler substances.
What is element
Which physical property fits this description?
The ability to be stretched into thin wires
What is ductility
Which of the following states of matter does not have a fixed volume but does take the shape of its container?
What is gas
The mass of an unknown substance is 22g and has a volume of 50cm3. What is the density?
What is 0.44g/cm3
Fill in the blanks
As you increase temperature the speed of the particles _______________________. The particles now have __________ energy than before.
What is increase
What is more
Classify the following substance. Be as specific as possible
This substance has the chemical formula CH₄ and is made of carbon and hydrogen atoms chemically bonded in a fixed ratio.
what is a pure substance - compound
Is the following scenario a physical or chemical change?
A glass mug falling and shattering into 1000 pieces
What is a physical change
300ml of oxygen is mixed with 150ml of Carbon dioxide. Which gas is considered the solute?
What is carbon dioxide
A mass (g) vs. volume (mL) graph for liquid A shows two points (2.5, 7) and (5, 21) on the line of best fit. What is the density of liquid A?
What is 5.6g/mL
Which particle theory of matter rule is exhibited by the following scenario?
Someone sprays perfume in one corner of a room, and after a short time people across the room can smell it.
What is all particles are in constant motion
Classify the following substance. Be as specific as possible
Kool-aid and water
What is mixture - homogeneous solution
Is the following scenario a physical or chemical change?
Ms. C left a banana out on the counter and it begins to rot.
What is a chemical change.
Which gas learned in class exhibits explosive chemical properties when encountering a flame?
What is hydrogen
The mass of an unknown substance is 75g and the density is 40g/ml. What is the volume?
What is 1.875ml
Which rule of the particle theory of matter is exhibited by the following scenario?
A dented table tennis ball can sometimes be “repaired” (ie. dent is removed) by placing it in a cup of hot water.
What is temperature affects the speed at which particles move. Increase heat = faster motion
Classify the following substance. Be as specific as possible
Brass, which is made by mixing copper and zinc evenly throughout the material.
what is a homogeneous solution (alloy)
When two liquids mix together, a solid forms. What is the name of the solid?
What is a precipitate
Which gas is identified with a glowing splint test?
What is oxygen
On a mass vs. volume graph for liquid b, two points, (1,3) and (2, 3.5) lie on the line of best fit. Will the substance float or sink in water. (Assume not soluble in water)
It will float
What is plasma?
What is the fourth state of matter consisting of ionized gas where electrons are ripped from atoms.
Classify the following substance. Be as specific as possible
This substance is made of many components, including red blood cells, white blood cells, platelets, and plasma. This substance appears homogeneous but under the microscope, the different parts are visible.
What is a heterogeneous mixture (colloid)
Which substance is both a solid and a gas at -78 degrees Celsius?
What is carbon dioxide
Which element was discovered by boiling urine?
What is phosphorus
A graduated cylinder has a mass of 50 g when empty. When 30 mL of water is added, the graduated cylinder has a mass of 120 g. If a rock is added to the graduated cylinder, the water level rises to 75 mL and the total mass is now 250 g. What is the density of the rock?
What is 2.89 g/ml