Electrons and Orbitals
What is the mass and charge of an electron?
What is -1 charge and ZERO mass
Which bond involves two nonmetals?
What is covalent bonding?
When creating a picket fence, identical units should be what?
What is across from one another
For a reaction to occur efficiently, particles must collide with sufficient _______ and ______.
What is energy and orientation
This phrase describes how to predict solubility.
What is "like dissolves like"
The Aufbau principle states that electrons fill the ______ ______ orbital first.
What is lowest energy
Name the diatomic elements.
What are H2, N2, O2, F2, Cl2, Br2, and I2 (7 up)
1 mole contains this amount of particles.
What is 6.02 x 10^23 particles
What are the four factors that, when increased, increase reaction rate?
What is concentration, temperature, surface area, and pressure (pressure applies to only gases)
This table is used to determine if a compound is a soluble solute.
What is Table F
As radiation waves shorten, what does energy do?
What is increases
What does each line in a Lewis structure represent?
What is a bond where 2 electrons are shared
The empirical formula of a compound contains what?
What is the lowest whole number ratio of elements
As a solid dissolves into a solution, which factor increases?
What is disorder, randomness, and entropy
Which factor effects the solubility of gases, but not that of solids?
What is pressure
What is emitted as an electron returns to the ground state?
What is energy in the form of light
What is the name of the compound P4H10?
What is tetraphosphorous decahydride
To find how much of the excess reactant is left over, you must do what?
What is use prior knowledge from the problem
In reactions at equilibrium, rates are _____ and concentration is _______.
What is equal and constant
A 60g solution of NaNO3 completely dissolved in 100 grams of water at 50oC is classified as what?
What is unsaturated
When an electron moves from the 5th to 2nd electron shell, it emits _____ energy than when it moves from the 3rd to 2nd shell.
A difference in what can determine the polarity of a bond?
What is electronegativity (2 is polar covalent, >2 is ionic)
A student performed an experiment to produce magnesium oxide (MgO) by reacting 24.3 g of magnesium (Mg) with an excess of oxygen gas (O2). The balanced chemical equation for the reaction is:
2Mg + O2 -> 2MgO
Calculate the percent yield of magnesium oxide (MgO) in this experiment.
What is 89.3%
Le Chatelier's Principle states that a reaction at equilibrium will shift in the direction that will do what?
What is relieve stress
The higher the temperature, the ________ the vapor pressure.
What is greater