Periodic Table
How many valence electrons do noble gases have?
8
True or False: When a new bond is created in a Chemical reaction, it RELEASES energy.
True
Name one of the 3 things that can alter a reaction rate:
Temperature, Surface area and Catalyst or Inhibitor
What part of a solution is being dissolved?
Solute
What is an Bronsted-Lowry acid?
A proton donor
How many valence electrons does Sodium have?
1
What type of reaction involves splitting nuclei?
A fission reaction
Why does a powder form of a reactant create a faster reaction than in a Lump form?
It has a bigger Surface Area
What do we call the quantity of a solute that is contained in a particular quantity of solvent?
Concentration
What molecules are considered organic?
Carbon-containing molecules
What kind of elements are Boron, Silicon, Germanium are considered as?
Metalloids
How do we call a reaction that releases heat?
Exothermic
What happens to the reaction equilibrium when you increase temperature for an exothermic reaction?
It shifts to the left
What happens to the solute in a oversaturated solution?
It will precipitate
What is the maximum number of bonds that Carbon can form?
4 bonds
What kind of elements usually can gain electrons that when added to their valence electrons equal 8?
Non-Metals
What type of reaction is the following?
H2O2 -----> H2O + O2
Decomposition
What does a catalyst do to a reaction?
It speeds it up the reaction by lowering the activation energy
Would you expect KCl to be soluble in water?
Yes
What is an electrophile?
An electron-deficient molecule
What is element number 92?
Uranium
What type of reaction is this:
Cl2 + 2NaBr --------------> 2NaCl + Br2
Single Replacement
What is a equilibrium constant equal to?
The concentration of products/the concentration of reactants
The pKa of molecule A is -10. The pKa of molecule B is 4.76. Which is the stronger acid?
molecule A
What type of substitution reaction is step-wise
Sn1 Reactions