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Water
Misc.
Atoms
Chemical Reactions
Bonds
100
A molecule in which opposite ends have opposite electric charges.
What is a polar molecule?
100
Anything that occupies space and has mass
What is matter?
100
A subatomic particle that has a positive charge.
What is Protons?
100
C6H12O6 + 6O2 --> 6CO2 + 6H2O + energy. What is "C6H12O6 + 6O2" in the equation?
What is the reactant?
100
A type of chemical bond that occurs when an atom transfers an electron to another atom.
What is an ionic bond?
200
The weak attraction between the hydrogen atom of one molecule and a slightly negative atom within another molecule.
What is a hydrogen bond?
200
A pure substance that cannot be broken down into other substances
What is an element?
200
The smallest particle of an element.
What is atom?
200
Breaking of old and formation of new chemical bonds that result in new substances.
What are chemical reactions?
200
A bond that forms when two atoms share electrons.
What is a covalent bond?
300
The tendency of molecules of the same kind to stick to one another
What is cohesion?
300
The total amount of energy associated with the random movement of atoms and molecules in a sample of matter.
What is thermal energy?
300
The number of valence electrons. (The ones that can be transfered)
What is 8 electrons?
300
2H2 + O2 --> 2H20 + energy. What is "2H20 + energy" in this equation?
What is a product?
300
Atoms that have become electrically charged as a result of gaining or losing electrons.
What is an ion?
400
The type of attraction that occurs between unlike molecules.
What is adhesion?
400
A substance containing two or more elements that are chemically combined in a fixed ratio.
What is a compound?
400
All atoms of a particular element have the same number of protons, know as the element's ________________.
Atomic number
400
A formula thatt tells you the number and types of atoms in a molecule.
What is a chemical formula?
400
Two or more atoms held together by covalent bonds.
What is a molecule?
500
The result when water is the solvent.
What is an aqueous solution?
500
A measure of the average energy of random motion of the particles in a substance.
What is temperature?
500
When the nucleus decays (breaks down) over time, giving off radiation in the form of matter and energy.
What is a radioactive isotope?
500
DOUBLE JEOPARDY
Write the product of this equation: 2H2 + O2 --> _______________?
500
The number of bonds an atom can form usually equals _____________?
The number of additional electrons that will fill its highest energy level.