Chemical Bonding/Reasctions
In electrostatic attraction (or bonding), like charges _____ and opposite charges ____.
Repel, Attract
What is the classification for this balanced equation? 2Na + Br2 → 2NaBr
Synthesis
How many moles are in 5 grams of hydrogen?
Answer: 5 mole H
Are gas particles closer or farther away from each other compared to liquid particles?
Gas particles are farther apart than liquid particles.
As you move from left to right on a periodic table, each successive element gains another ____.
Proton
In naming ionic compounds, which part comes first, the metal or the nonmetal?
The metal comes first
What is the classification for this balanced equation? 2AlO →2Al + O2
Decomposition
How many moles are in 280g of Fe?
5 mole Fe
If pressure increases, volume ____, if temperature increases, volume ____.
Decreases, Increases
The atomic radius ____ as you move down a group.
Increases
What is the name for the ionic compound MgO?
Magnesium Oxide
What is a double replacement?
When two elements are replaced/swapped with each other in a balancing equation.
What is the mole ratio for stoichiometry?
Mass of A → Moles of A → Moles of B →Mass of B
State Boyer’s Law
Boyer’s Law states that the volume of gas varies inversely with the pressure, if temperature is held constant.
What is an ion?
An Atom that gains or loses electrons.
What happens to electrons during ionic bonding?
The electrons are transferred
What are the most common products of combustion?
H2O and CO2
What is one mole equal to? (Avagadro’s number)
1 mole = 6.02x10^23 atm
State Charle’s Law
Charle’s Law states that the volume of a gas varies directly with the temperature, assuming that pressure is constant.
True or False: Does ionization energy decrease as you move down a family?
True.
What is the chemical formula for the following ionic compound:
Sodium Sulfate (Na+ and SO4^2-)
Na2SO4
What is the balanced equation of __Na + __AlO → __NeO3 + __Al3
Na + 3AlO → NaO3 + Al3
When 80g of calcium chloride reacts with silver nitrite, how many grams of chloride are produced? (CaCl2 + 2AgNO3 → Ca(NO3)3 + 2AgCl)
208 AgCl
What does Kinetic Molecular theory say about gases?
The Kinetic molecular theory states that gas particles are in constant, random motion.
What is it called when you move left to right and every following element gains another proton?
An increase in nuclear charge.