This lists all the elements and orders them in terms of similar properties.
What is the periodic table?
100
This is the charge on an electron.
What is negative (or -1)?
100
This is the number of molecules is takes to get a mass of a substance in grams equal to the molecular mass of the substance. It is represented by Avogadro's number, 6.02 X 1023
What is a mole?
100
These are the three things necessary for a chemical reaction to occur.
What are a collision, proper orientation, and sufficient energy to break the initial bonds?
100
This type of rock is formed when any of the three types of rock is subjected to intense heat and pressure allowing the atoms in the component minerals to rearrange themselves
What is metamorphic rock?
200
Compared with the wavelength of visible light, atoms are this.
What is smaller?
200
This type of bond forms when atoms from the far left and far right side of the periodic table that have gained or lost electrons are attracted to each other because of their opposite charges.
What is an ionic bond?
200
This type of mixture contains two or more elements that are NOT evenly dispersed throughout.
What is heterogeneous?
200
This is the reason that chemical equations must be balanced.
What is conservation of mass?
200
This is what happens when snowfall on top of a glacier is higher than the mass lost due to pieces breaking off at the end.
What is advancing?
300
This is where most of the radiation we encounter originates.
Where is nature?
300
Elements on the left side of the periodic table are not likely to form this kind of bond because they tend to lose electrons rather than share them.
What is a covalent bond?
300
Most solid compounds tend to dissolve better in water as this increases.
What is temperature?
300
A type of chemical reaction where the potential energy contained in the bonds of the products is HIGHER than the potential energy of the bonds in the reactants.
What is an endothermic reaction?
300
This layer of the atmosphere absorbs ultraviolet radiation and converts it into heat
What is the ozone layer?
400
This type of radioactive decay results in an atom changing which element it is.
What is alpha OR beta decay?
400
This value on the periodic table is not a whole number because it is a proportionate average of the masses of the different isotopes of each element.
What is atomic mass?
400
This term refers to the number of moles of a solute in 1 liter of solution.
What is molarity?
400
Bases accept and acids donate these.
What are hydrogen ions (or protons)?
400
The amount of water in the air compared to the maximum amount that air could hold at its current temperature
What is relative humidity?
500
This type of nuclear reaction powers stars and is a promising potential source of clean, cheap energy for society.
What is fusion?
500
This type of polar bond occurs when hydrogen is in a covalent bond with another element that has a higher electronegativity.
What is a hydrogen bond?
500
Because of the way they are trapped by the liquid, gaseous molecules stay dissolved more easily in a liquid when its temperature is this.
What is lower?
500
A reduction reaction where electrons are gained cannot occur without this type of reaction also occuring.
What is oxidation?
500
This is the shape of the orbits of planets around their stars