Stoichiometry
What does a coefficient mean in stoichiometry?
The coefficient can mean the amount of moles in a balanced equation.
What are chemical bonds?
Chemical Bonds are forces that hold groups of atoms together and make them function as a unit.
Name 3 properties of metals
Shiny, reactive, malleable, good conductor, cation
What is a chemical reaction?
A process involving one or more substances changing into a new substance.
What is a mole?
Is the SI base unit used to measure the amount of a substance. 6.022x1023 particles
What is stoichiometry about?
Stoichiometry is about measuring the amounts of elements and compounds involved in a reaction.
What are the two exceptions to the Octet Rules?
Hydrogen and Helium
Which is the most stable group ?
Noble Gases
If the product of a chemical reaction has (s) beside it, what does that mean about that product?
Identifies the product as a solid state, or precipitate
What is this number 6.022 x 1023 called?
Avogadro’s number
How many steps are there in mass to mass stoichiometry?
3 steps.
With which molecule do you have add prefixes ?
Covalent molecules
What is the most reactive non-metal on the periodic table?
Fluorine
What is a single displacement reaction?
A reaction in which one element replaces another element in a compound
What is molar mass ?
The mass in grams of one mole of any pure substance.
What number do you start your stoichometric conversions with?
The number that you are given!
What are the steps to drawing electron dot diagrams?
1. Write out the chemical symbol
2. Find the number of valence electron
3. Draw the valence electrons around the chemical symbol
What is the most reactive metal on the periodic table?
Francium
What is a synthesis reaction?
A chemical reaction in which two or more substances react to produce a single product.
How many moles of Iron II are in the following compound? Fe2Cl6
Zero
What does the term “stochio“ mean?
Greek for element
Give the name for the following chemical compound: Cl2Ar4
Impossible compound - Argon is a noble gas
What is the name of the following compound? CrO3
Chromium VI Oxide
What is a combustion reaction?
Any hydrocarbon reacting with oxygen to produce carbon dioxide and water vapor
What is a empirical formula?
A formula that shows the smallest whole-number mole ratio of the elements of a compound, and might or might not be the same as the actual molecular formula.