What is physical substance; anything that has mass and volume?
100
Define chemical properties.
What are properties that can only be found by changing the chemical identity of a substance?
100
List the 6 forms of energy.
What are nuclear, chemical, thermal, electrical, electromagnetic, and sound?
100
State the Law of Conservation of Energy.
What is the fact that energy can neither be created or destroyed?
100
State 3 common characteristics of metals.
What are: reactivity with acids, conduction, luster, malleability, and ductility.
200
State the Law of Conservation of Matter.
What is the fact that matter can neither be created or destroyed?
200
Define a homogeneous mixture.
What is a mixture that has uniform properties and composition throughout?
200
Describe how temperature relates to kinetic energy.
What is, when kinetic energy is raised, the temperature rises?
200
Define heat.
What is the transfer of energy from a substance with less energy to one with higher energy?
200
An atom of Selenium-68 an atomic number 34, 34 protons, 34 neutrons, and 34 electrons. It is in group 16 and period 4. State the amount of valence electrons in Selenium.
What is 6?
300
State how chemical and physical properties are different.
Chemical properties have can only be found by changing or altering the original substance, while physical properties can be found without changing the substance.
300
Describe how pure substances and mixtures are different.
Pure substances can not be broken down into individual substances, or have a set ratio of atoms that compose it, while mixtures have a heterogeneous composition.
300
Give 4 examples of non-renewable resources.
What are: nuclear, coal, petroleum, and natural gas?
300
State the Kinetic Theory of Matter.
What is the fact that atoms within a substance must always be in motion (Temperature must be above 0 Kelvin).
300
Write the full name of the isotope of oxygen with 8 electrons, 8 protons, and 8 neutrons (not shorthand).
What is Oxygen-16?
400
Give 5 examples of physical properties.
What are: change in state, solubility, malleability, density, ductility, conductivity, change in shape, and change in size?
400
Give 2 examples of chemical properties.
What are: flammability, reactivity, and oxidation?
400
Differenciate between potential and kinetic energy, and explain mechanical energy's relation to both.
Potential energy is the energy stored by chemical composition, position, and condition. Kinetic energy is the energy an object has due to motion, and mechanical energy is the sum of both.
400
Give 4 examples of renewable energy.
What are: wind, biomass, solar, and hydroelectric?
400
Name the ionic compound of calcium and fluorine (Magnesium is positive, oxygen is negative).
What is Calcium Fluoride?
500
Describe the relative particle motion, shape, and volume of solids, liquids and gases.
Solids have little particle motion and fixed volume, liquids have medium particle motion and fixed, and gases have high particle motion and an indefenite volume. All of them have the same particle size.
500
List how to separate mixtures.
Use the physical and chemical properties of the constituents. You can separate some metals with a magnet, large particles with a filter, and liquids with different boiling points.
500
State the role of conductors and insulators in heat transfer.
Conductors allow energy to pass through, and insulators block or slow the passage of energy.
500
List the three ways heat is transferred.
What are: conduction, radiation, and convection?
500
State whether Bicarbonate (HCO3- is polyatomic or not.