States of Matter
KMT
Atomic Theory
Properties & Density
Mixed Bag
100
The state of matter for Water
Liquid
100
This state of matter has the lowest form of energy according to the KMT
Solids (particles vibrate in fixed positions and have the least kinetic energy compared to liquids and gases)
100
Who contributed to the idea that an atom is like a chocolate chip cookie, in which electrons are the chocolate chips?
Thompson
100
This type of property can be observed without changing the substance’s identity.
A physical property
100
Changing a state of matter is an example of this type of change.
Physical change (substance’s chemical identity stays the same)
200
_______________ is anything that takes up space and has mass.
Matter
200
The KMT states that all matter is made up of very small ________
particles that are constantly moving
200
Which scientist first proposed that all atoms of the same element are identical?
Dalton
200
What is a scientific definition for the term "density"? (Hint: what is the equation)
the mass per unit volume of a substance
(Density = mass/volume)
mass = g or kg
volume = cm3, m3, ml or L
200
Wood burning, Rust forming, Bread baking are all examples of this type of change in everyday life?
chemical change (wood combusts, bread undergoes chemical reactions, iron oxidizes into rust)
300
What state of matter is water vapour?
Gas
300
Plasma is a unique state of matter. It most closely resembles this other state of matter.
gas (Because particles are far apart and move freely, but plasma is ionized or charged whereas gases are neutral)
300
Who said the light released by atoms of gases is related to the energy of electrons, occupying specific "energy shells"
Bohr
300
What is the examples of these two properties?
The freezing point of water is 0°C.
Baking soda reacts vigorously with vinegar.
The freezing point of water is 0°C. - this is a physical qualitative property
Baking soda reacts vigorously with vinegar. - this is a chemical property
300
What does this hazardous symbol mean?
It is biohazardous and spreads disease in people and animals
400
Where can you find plasma?
Sun, Lightning, Neon sign
400
People dancing and moving around each other in a gym is an excellent analogy of what state of matter?
liquid (particles are close together but can move and flow past each other)
400
Which scientist first proposed the centre of an atom contains a nucleus with positively charge protons?
Rutherford
400
This is the density of a substance with mass 63g and volume 50 mL.
1.26 g/mL
400
What does this hazardous symbol mean?
It helps other things burn (oxidizing hazard)
500
Frost forming from water vapour on a cold surface is an example of this process.
Gas (water vapour) -> Solid (ice) = deposition
500
Which statement is NOT TRUE regarding kinetic molecular theory?
Particles are always moving at least a little
Most materials will expand when cooled
To turn a solid into a gas, you would heat it up
None of the above
Most materials will expand when cooled
500
What are the name(s) and charge(s) of the subatomic particles located in the nucleus
Proton(p), +1 charge
Neutron(n), neutral or 0 charge
500
What is the density of a rectangular prism that has a mass of 5kg, length 6m, width 0.5m, and a height of 2.3m?
0.72 kg/m3
500
Assign each of the following to the correct category: mixture, compound, or element — nitrogen, table salt, orange juice.
mixture - orange juice (sugars, citric acid, vitamins, etc.)
compound - table salt (NaCl - made from 2 or more elements - sodium and chloride)
element - nitrogen (made from one type of atom on the periodic table, cannot be broken down through chemical means)