Particles
cool things
Elements, Compounds, and Mixtures
Atoms and the Periodic Table
Is it balanced?
100
All of this is made of particles.
What is matter?
100
A phase change is this type of change.
What is a physical change?
100
Elements and compounds both fall into this category of substances.
What is pure substances?
100
This is the name of Oxygen's 8.
What is atomic number?
100
This law tells us that matter and energy are conserved during a chemical reaction within a closed system.
What is the Law of Conservation of Mass?
200
There are this many states of matter on the phase change diagram, and they are represented by these type of lines.
YOUR ANSWER SHOULD BE 1 NUMBER AND 1 WORD
What is three and diagonal?
200
Flammability, combustibility, and reactivity are this type of property, which can only be tested through alteration of the matter being tested.
What is chemical property?
200
This category includes any mix of elements that are chemically bound together.
What is compounds?
200
The above Bohr model shows this life-giving element on the periodic table.
What is carbon?
200
This type of equation is shown.
What is unbalanced?
300
These three phase changes release energy.
What is deposition, condensation, and freezing?
300
This is the type of change that occurs when you mix the ingredients for brownies together.
What is physical change?
300
This is the reason that ice water is considered a compound and NOT a mixture.
What is the chemical formula for ice and water is the same, H2O?
300
These subatomic particles might be compared to Switzerland due to their neutrality.
What is neutrons?
300
This type of chemical equation is shown.
What is balanced?
400
This is a way that you might show particles moving faster in a drawing.
What is longer arrows?
400
This is a physical property, but if it changes, it is a sign of a chemical change.
What is color?
400
Water, pictured above, is an example of what type of substance?
What is compound?
400
Elements are most similar to ones in this structure within the periodic table.
What is group (column)?
400
In a chemical equation, the formula cannot be changed, but these mathematical terms can be.
What is coefficient?
500
This mathematical phrase describes the relationship between particle temperature and energy.
What is directly proportional?
500
Conductivity, density, and melting point are all this type of property.
What is physical property?
500
These pictures fall into the same ECM category, but each has these titles, both starting with the letter H.
What is heterogeneous and homogenous?
500
We have 24 hours per day, which also happens to be the number of neutrons in this element.
What is scandium?
500
This number must be added as a coefficient before H2 and H2O to balance the chemical equation.
What is 2?