The type of reaction represented by A + BC becomes B + AC
What is single replacement
100
The name of the common anion in a chemical that is a base.
What is OH
100
Will the following ionic compound form an aqueous solution or have a precipitate: AgCl
What is precipitate
100
Classify the following reaction and balance the equation:
C2H2 + O2 becomes CO2 + H2O
What is hydrocarbon combustion
100
What type of exothermic reaction usually sets off a flame?
What is combustion
200
The type of bond created by the different electric charges of cations and anions.
What is ionic bond.
200
The name of the two families of elements that combine to form salts.
What is alkaline metal and halogen.
200
How many electrons will a flouride ion have?
What is 10
200
Classify the following reaction, predict the products and balance the equation: AlF3 + Na3PO4 becomes ...
What is double replacement
200
Thompson discovered the electron, Rutherford the nucleus, and Bohr electron orbitals. What trend can be seen in this developing history?
What is the atomic model has become more complex
300
The sum of the protons and neutrons in an atom.
What is mass number.
300
The name of the periodic family that does not combine with other elements.
What is noble gases.
300
What would be the image of a magnesium ion?
What is show your drawing!
300
Name the following compound:
Pb(MnO4)4
What is lead permanganate
300
Why can Avogardro's number be compared to the term "a dozen"?
What is they are both constant numbers.
400
The pre-science that tried to produce gold out of other elements.
What is alchemy.
400
Which of the following is an example of chemical change:
magnetism
conductivity
corrosion
malleability
What is corrosion
400
How can you determine the state of a molecular compound?
What is looking at the number of atoms in the compound
400
Which of the following would not act as a good electrolyte?
Sodium chloride
Glucose
Lithium oxide
Potassium iodide
What is glucose
400
What is the relationship between the mole concept and the law of conservation of mass?
When you read a balanced equation it signifies the number of moles for each atom or molecule.
500
The word for the safety hazard that occurs when things are set on fire.
What is flammable.
500
After a process of neutralization a chemical's acidity will be equal to
What is 7.
500
How many moles are present in 26.0 g of nitrogen (hint this is a little tricker than you might think at first).
What is 0.928
500
Ammonia is used in the production of explosives. In order to store energy, elements are combined to create this substance. The classification of reaction ammonia demonstrates is
What is synthesis
500
What is the difference between an atom and an element?!
What is the element is a general category of all isotopes, ions, or atoms that have the same number of protons; an atom refers to a specific example of an element.