The Periodic Table
The Structures of Matter
Physical vs Chemical
States of Matter
Types of Energy
Conservation of Matter and Energy
Energy Flow
100
True or False. Elements in the same horizontal groups have similar chemical properties.
FALSE
100
What is the overall charge of a single atom of an element
0
100
Physical Change or Chemical Change:
Table salt (NaCl) dissolving into water
Physical change
100
What are the three most common states of Water on earth?
Solid, Liquid, Gas
100
This type of energy is the energy of movement.
Kinetic Energy
100
What is the law of the Conservation of Matter?
Matter can be neither created nor destroyed.
100
Heat always flows in which direction on its own?
High temperature to low temperature
200
What is the atomic number of nitrogen?
7
200
The three particles of the atom.
Protons, neutrons, and electrons
200
Physical property or Chemical Property?
Melting point
physical property
200
What is happening at point "a" ?
The matter is in the solid state
200
This type of energy is found in the nucleus of an atom.
Nuclear Energy
200
DAILY DOUBLE
How are matter and energy related?
matter is just condensed energy proven by e=mc2
200
The process of heat transferring through direct contact with another solid.
Conduction
300
What is the grouping of elements, all metals, in the middle of periodic table called?
Transition metals
300
DAILY DOUBLE
Which of the following is NOT a solution?
- An ingot of brass
- the air you breath
- Chocolate milk
Chocolate milk
300
Physical Change or Chemical Change:
Pancakes Cook
Chemical Change
300
Which state of matter has particles vibrating the least?
Solids
300
What is the difference between Radiant Energy and Electromagnetic Energy?
Radiant is visible light and electromagnetic is not visible light
300
What energy transformation happens in a windmill?
Kinetic Energy --> Electrical Energy
300
From which point to which point will heat energy most likely flow to?
A. 10ºC B. 25ºC
C. 30 ºC D. 5ºC
From point C to D.
400
Elements in the vertical columns on the periodic table have an equal number of these.
Valence Electrons (accept outside electrons)
400
The Largest area of an atom
The Electron Cloud
400
Physical property or Chemical Property?
flammability
Chemical
400
What is happening at point "d" ? Explain your answer in terms of why the matter has NOT yet transitioned to another state.
The matter is vaporizing/boiling/becoming a gas.
This doesn't happen immediately because it takes extra energy to break the bonds between atoms.
400
Which of the following is NOT a type of energy:
- Electrical
- Electromagnetic
- Radiation
- Sound
Radiation
400
DAILY DOUBLE
Is this following equation balanced or unbalanced?
unbalanced
400
How the sun uses light energy to warm the earth
Radiation
500
If an atom Arsenic has an atomic number of 33 and a mass number of 75, how many protons, neutrons, and electrons should it have?
Protons - 33
Electrons - 33
Neutrons - 42
500
What is the difference between a solution and a compound?
A compound is matter composed of a single chemical formula.
A solution is two different substance mixed together physically but not chemically
500
Physical Change or Chemical Change:
Heat changes H2O to steam
Physical
500
Which do we call the transformation from a solid directly to a gas?
Sublimation
500
What is the difference between Thermal Energy and Temperature.
Temperature is the kinetic energy of individual particles in an object.
Thermal energy is the average of the kinetic energy of all particles in an object
500
What coefficient goes in front of H2O?
H3PO4 + 3KOH → K3PO4 + H2O
3
500
Why does electrical energy, in the form of electrons, flow through a wire to power an object using a battery?
There are a lot of electrons on the negative end of the battery and few on the positive end.
The electrons flow from a high concentration to a low concentration
600
DAILY DOUBLE
What is the most chemically reactive element?
Francium
600
What type of energy holds the nucleus of the atom together?
Nuclear
600
Physical Property, Chemical Property, Physical Change, Chemical Change
Corrosion
600
Rank the three main states of water on earth in order of increasing thermal energy
Solid --> Liquid --> Gas
600
How is the Gravitational energy and the kinetic energy of an object related?
When dropped an object loses gravitational energy and gains kinetic energy
600
In a lab, you combine 120 grams of Al2O3 with 30 grams of H2SO4. After the reaction you have 100 grams of Aluminum sulfate. How much water was produced in this reaction?
50 grams.
600
What type of heat transfer results in atmospheric circulation?
Convection
9999
Balance the following chemical equation by putting the correct coefficient in from of each compound:
BaCO3 + 2HNO3 --> Ba(NO3)2 + CO2 + H2O