Ionic
ion bond when ions share electrons? true or false
false,ions can bond when sharing protons also
what is the formula for CrCl2?
ChCl2, there is one chlorine atom and 1 chromium atom
determine the molar mass of a covalent compound
what is the molar mass of SO2 to the nearest hundredth?
64.066 g/mol
S=1(32.06)=32.06g
O=2(15,999)=31,998g
32.06+31.998=64.058 g mol
name the seven diatomic particles..
H2 O2 F2 Br2 I2 N2 and Cl2
they contain 2 atoms that are chemically bonded, therefore they are are diatomic
use the metal activity series to determine if the single replacements reaction occurs in the chemical equation Cu+2FeNO3
no reaction
copper cant replace iron because according to the metal activity series we did copper is listed lower than iron and therefore cannot replace it.
the correct form for carbon oxide?
CO2, carbon oxide has been shown with carbon with 1 atom and oxygen with 2.
name the compound; CuCl2?
copper (II) chloride, the Cu atom in neutral and the Chlorine atom has 2
how many moles of each element are present in a mole phosphorus trichloride?
there is one mole of phosphorus and 3 mole of chlorine in one mole of phosphorus trichloride there is one atom of phosphorus and three atoms of chlorine in one molecule of phosphorus, trichloride.
using the example of water presented where one mole or molecule water consists of two moles or atoms of hydrogen and one mole or atom for oxygen, i used the same process of phosphorus trichloride
there is one atom of phosphorus and 3 atoms of chlorine in one molecule of phosphorus trichloride
apply the principal of the law of conservation of mass to explain how this equation is balanced.
Fe+O2=Fe2O3
you need to add a 4 infront of the Fe a 3 in front of the O2 on the products you need a coefficient of 2
the law of conservation of mass states mass cannot be created nor destroyer, by adding subscripts we ensure that the products are equal to the reacants
predict the products of the single replacement reaction, as well as the double replacement without knowing the reaction
a.Zn+CuBr2--------->
b.AgNO3+NaCl
a.Zn+CuBr2=ZnBr2+Cu
b.AgNO3+NaCl= AgCl=NaNO3
single replacement so the zn replaced zu.
double replacement the cations switch
an ion that has similar electron types of configuration.
Answer
Na+, the type of electron configuration shown can be similar because most of the time the shells are mostly filled
in what ways do the physical properties of ionic and covalent compounds differ? for each answer, you will have a pint
ionic compounds have a higher melting point than covalent
ionic compounds have a higher boiling point than covalent compounds.
covalent compounds have always had a higher boiling point, it has been proven throughout labs and demonstrations.
predict molecule structure for molecules using valence electrons theory including , linear, bent, trigonal, planar,tetrahedral, triogonal pyramid
trigonal planar
bent
the compounds listed in the questions are all very similar have similar vespr shapes and is shown in the graphs.
balance the following equation with coefficients. Al+O2=Al2O3
4Al+3O2=2Al2O3
there are 4 aluminum on each side and 3 oxygens, therefore the equation is balanced
judge Whether 3CO is being oxidized or reduced in the chemical equation.
Fe2O3+ 3CO->2Fe+3CO2
its being oxidized because iron(III) oxide is the oxidizing agent
the charge in a cation is always positive___
the charge of a cation always stays positive, it is not possible to have a neutral ion
What is the lewis dot diagram and structural formula of NS3?
for each of the additions below, you will earn a point
correct name and lewis dot diagram
the structural formula that is correct regarding the usage of valence electrons
the structural formula that is correct regarding valence electrons molecular shape is VSPEr name of shape).
the lewis dot diagram shown is a good example and is a structural formula in the use of valence electrons and is the VEspr shape is shown in the group below
the lewis dot diagram is the is assignment shown and is one of the most important topics in the graph and the VESPr shape is a good graph below
for each compound listed below, determine the vsepr shape, if any lone pair presents , includes that in answer
C02
BCI3
SO2
the compounds listed in the questions are all very similar have similar vespr shapes and is shown in the graphs.
determine the ratio of coefficients when comparing the number of aluminium molecules to oxygen molecules in the reactants and products _Al+_O2=_Al2O3
on the reactant side of the total is 7 on the product sude the total is 2
7:2
when balancing the equations you have to show and keep the equations equal by using the mathematics skills.
Contrast the difference between combustion, double replacement, and redox.
reacts quickly with oxygen, increase in oxidation numbers
the definition of those 3 types of chemicals equations justify why they are different from each other
name the following compound CaBr2?
calcium (II) bromide, the bromide ion has a charge of 2 and is why the di is in front of bromide
what is the name of the following chemical formulas?(1 point each)
-SO3
-CF4
what is the chemical formula for the following binary molecular covalent compound names?
Nitrogen Monoxide
Dinitrogen Trioxide
Chemical formula names:
sulfer Trioxide, carbon Tetraflouride compound formulas NO3N2O3
C=Carbon(1)->Monocarbon= carbon because it is the first element in the name
F=Flouride(4)->tetraflouride->tetraflouride because drope the ide
S=sulfer(1)->monosulfer=sulfer because first element in the name
determine the product of bromine reacting with sodium iodide?
Br2+2NaI->2NaBr+i2
the is a single replacement reaction and is shown in this equation
Choose whether the chemical equation is synthesis, combustion, decomposition, single replacement, or double replacement?
C+O2->CO2
two or more make a substances reacted to make a single new substance