Periodic Table
What is the first element on the periodic table?
Hydrogen
AB + CD -> AD + CB is what kind of chemical reaction?
Double Replacement
Temperature at which a substance changes state from solid to liquid
Melting point
What letter represents the transition metals?
What is the element (B)?
Boron
An element replaces another element in a compound: A+BC -> AC+B is what kind of chemical reaction?
Single Replacement
Ability to conduct electricity:
Electrical Conductivity
How many energy level sublevels are there?
4
What is the element (Ag)?
Silver
What type of Chemical Reaction is 2H2+O2 -> 2H2O
Synthesis
The ease with which a combustible substance can be ignited, causing fire or combustion or even an explosion
Flammability
What letter represents the principal energy level?
n
How many valence electrons are in Fluorine?
7 valence electrons
A compound breaking down into elements or simpler compounds is:
Decomposition
Which physical property is the mass per unit volume of a material?
Density
How many electrons can the 1st energy level hold?
2
What group is oxygen in on the periodic table?
Group 16
What type of chemical reaction is:
C3H8+5O2 -> 3CO2+4H2O ?
Combustion
What is volume?
Volume is the quantity of space enclosed by a closed surface, for example, the space that a substance or shape occupies or contains.
How many electrons can the 3rd energy level hold?
18