Show:
Ions
pH
Chemical Reactions
Famous Chemists
Random Chemistry!
100
What is a cation?
What is a positive ion
100
What is the Ph of pure water?
What is 7
100
This is a type of chemical reaction in which two or more simple substances combine to form a more complex product.
What is synthesis
100
Who was the first proposer of the atom in 4th century B.C.E.?
What is Democritus
100
What is the atomic number for hydrogen?
What is 1
200
What is an ion?
What is an atom with a positive or negative charge
200
What is a solution that has an excess of H+(hydrogen) ions?
What is an acid
200
True or False? Reactions start with products and create reactants.
What is false
200
His most notable discoveries were in the fields of combustion and the start of stoichiometry
What is Antoine Lavoisier
200
Atoms that have the same number of protons but different numbers of neutrons are called
What is isotope
300
To Change Li to Li+...
What is remove an electron
300
Liquids that humans consume are almost always
What is acidic
300
During a chemical reaction, this can change for all molecules involved.
What is chemical structure or state of matter
300
His model of the atom includes electrons circling the nucleus with fixed levels and paths
What is Neils Bohr
300
Boyle's law is a gas law stating that the pressure and volume of a gas have a(n) _______ relationship.
What is inverse
400
146C and 126C are examples of...
What are isotopes
400
What tool is used to measure pH
What is the pH Scale
400
Stoichiometry is a long word that describes
What is the measurement of the number of atoms involved in a chemical reaction.
400
J.J. Tompson used the ________ ___ to discover the ________
What is Cathode Ray, electron
400
What makes a bond covelant?
What is the sharing of electrons
500
How many electrons would Si32+
What is 46
500
True or False, Acids are electron acceptors.
What is True
500
Catalysts do this to chemical reactions
What is speeds up
500
Who discovered the law of constant composition in 1799?
What is Joseph Proust
500
C8H18
What is Octane