Bonding
Naming Chemical Compounds
Balancing Equations
Types of Reactions
Moles
Acids & Bases
Gases/Gas Laws
100
When an atom gains electrons ...
What is the atom becomes more negative?
100
Chemical formulas of binary ionic compounds are generally written as
What is cation(metals) on left, anion (non-metals) on right?
100
In balancing a chemical equation, you are allowed to only
What is add coefficients?
100
The type of reaction for CH4 + 2O2 -----> CO2 + 2H2O is
What is combustion?
100
Avogadro's number is
What is 6.02 x 1023 ?
100
The pH of water
What is 7?
100
Indirectly proportional means
What is moving in opposite directions, as one variable increases the other variable decrease?
200
Cations form when an atom
What is loses electrons?
200
Magnesium bromide is an ionic compound with the chemical formula MgBr2 the 2 tells you
What is there are 2 bromine ions for every potassium ion?
200
In the equation, Mg + HCl ----> MgCl2 + H2 is balanced, the coefficient for magnesium chloride (MgCl2) be
What is 1?
200
The type of reaction for Na + Br2 ----> NaBr is
What is synthesis?
200
The ion that is common in all acidic solutions is
What is H+?
200
The pH scale range is
What is 0-14?
200
All gases have
What is no definite shape or volume?
300
Lewis structures are drawn to illustrate how each atom in the molecule satisfies this rule
What is the Octet Rule?
300
Ionic compounds are normally
What is formed when a metal transfers its valence electrons to a nonmetal?
300
4Ca3(PO4)2 has _________ oxygen atoms
What is 32 atoms?
300
The type of reaction for Al2O3 ---->Al + O2 is
What is decomposition?
300
Molarity is expressed as
What is moles of solute/Liters of solution?
300
The properties of a base includes
What is taste bitter, feels smooth or slippery, neutralizes acids, pH between 8-14?
300
Temperature measures
What is the average kinetic energy of molecules?
400
In terms of electron transfer between a Li+ atom and F- atom, Lithium __________ _____ electron (s) _______ fluorine.
What is Lithium transfers one electron to Fluorine?
400
The correct formula for Sodium Chloride is
What is NaCl?
400
The reactant(s) in the equation C6H12 + O2 ---> H2O + CO2 is/are
What is C6H12 and O2 ?
400
The type of reaction CuCl2 + H2S ----> CuS + HCl is
What is double replacement?
400
Compared to pure water, a solution of salt and water
What is has a lower freezing point?
400
During an experiment, you test the pH of a substance and find that it is a pH of 6. This substance would be
What is an acid?
400
Variables used to quantify gases are
What are pressure, volume, temperature and moles?
500
Metals tend to _____ electrons to form _____ ions
What is lose electrons to form positive ions?
500
To use the crisscross method of writing the formula of an ionic compound, write the numerical charge of
What is the anion as the subscript of the cation?
500
According to the Law of Conservation of Mass, the mass of the products in a chemical reaction compare to the mass of the reactants because
What is the masses are equal?
500
The type of reaction Na + H2O ----> NaOH + H2 is
What is single replacement?
500
The mole to mole ratio of two substances in a chemical reaction is determined from
What is the coefficient of each substance?
500
The pH range of a strong acid
What is 0-4?
500
Assume that each of the flasks to the right contain the same amount of gas molecules. The container with the highest pressure is
What is flask 1?
600
When an atom lose electrons
What is it becomes more positive?
600
Name BCl3
What is Boron Trichloride?
600
When balanced the coefficient for calcium hydroxide is
_____Al2(SO4)3 + Ca(OH)2 ---> Al(OH)3 + CaSO4
What is 3?
600
An exothermic reaction is
What is a reaction where energy is released and feels hot?
600
The molar mass of CaCl2
What is 110.98g?
600
The one way to identify an acid vs a base using the chemical formula is to recognize that all bases have _____ as part of their chemical formula
What is OH? Example NaOH
600
Each of the flasks below is the same size and at the same temperature. The one flask with the most molecules is
What is flask 4?
700
In bonding, covalent ions __________ electrons to form single, double or triple bonds
What is share?
700
Name this COVALENT compound: N4Cl6
What is tetranitrogen hexachloride?
700
The marshmallow in the syringe will _______ when the plunger is pushed in.
What is decrease in size because pressure and volume are indirectly proportional?
700
One mole of a substance is equal to
What is it's molar mass and 6.022 x 1023 particles?
700
The pH range of a weak base is
What is 8-10?
700
Each of the flasks below contains the same number of gas molecules at a different temperature. The one flask with the lowest pressure is
What is flask 1?