The orbitals with a dumbbell or infinity shape, such as those pictured here, are known as the _____ orbitals.
The orbitals with a dumbbell or infinity shape, such as those pictured here, are known as the _____ orbitals.
Resources that will be very helpful for this test:
personalized naming compounds graphic organizer
calculator
These will be provided to you:
periodic table
electronegativity table
mole conversions graphic organizer
common ions table
solubility chart
Use your resources to your advantage!
A sodium cation is more chemically stable than a sodium atom.
A series of specific colors of light that can identify an element is referred to as its…
A/an - - - is a specific amount of energy that an electron can absorb or emit.
Which principle or law is stated here?
It is impossible to know the momentum and position of an electron in an atom simultaneously.
Which principle or law is stated here?
An atom will be chemically stable when it has eight electrons in its valence shell.
Which of the following will occur as an electron emits colored, visible light, as in the flame test lab?
Why is the fire important in the flame test lab?
In the quantum mechanical model of the atom, the location of any electron can best be pictured as…
The orbitals with a dumbbell or infinity shape, such as those pictured here, are known as the _____ orbitals.
If an atom is currently obeying the octet rule, which statement is NOT true?
Write the orbital diagram (1s↑↓) for an atom of nitrogen.
Write the electron configuration (1s2) for the Mg2+ ion.
Use the noble gas [ ] method to write the electron configuration for the calcium atom.
When an atom of fluorine gains an electron and becomes an ion, its radius will increase.
Mendeleev is known as the father of the periodic table because he arranged the table by both atomic mass and chemical properties.
Helium is the element with the highest value of electronegativity on the periodic table.
Apply the rules for writing the symbols of elements to pick the one that would NOT be acceptable as the symbol for a new element.
In the modern periodic table, elements are arranged by…
Elements in the same family (vertical column on the PT) have…
Elements in the same period (horizontal row on the PT) have…
This value is a unique and identifying trait for each element.
The energy needed to remove an electron from an atom is...
The change in energy as an atom gains an electron is...
An atom's pull on electrons in a chemical bond is...
Consider the alkali metals family. Which trend occurs as the atomic number increases going down the column on the periodic table?
Of the following groups of three, the elements whose chemical properties are most similar are those having atomic numbers…
Which of the following is FALSE for most atoms of elements that usually form ions with a charge of positive one (+1), such as Na+1?
If these charged objects could move on their own, what would they do?
Which of the following statements is false concerning a beryllium ion, Be2+?
The element fluorine forms the fluoride ion by…
In most cases, the formation of a chemical bond involves only the valence electrons of the atoms involved.
Which type of bond utilizes a loosely held “sea” of electrons?
An ion with a positive charge is called a/an...
When electrons are shared unevenly, what type of bond results?
What kind of bond is shown in the picture?
What type of bond is formed through the complete transfer of electrons between atoms?
Chemical bonds...
Which of the following statements is false concerning NaCl, an ionic compound?
Which of the following statements is false concerning sugar, a molecular compound?
Which bond has the greatest ionic character?
Due to the net energy change of breaking and forming bonds, many chemical reactions that occur release energy. These reactions are said to be...
A chemical bond in which two atoms share four electrons between them is called a _________ bond.
According to VSEPR theory, the electrostatic repulsion between electron pairs surrounding an atom causes…
Which of the following would NOT lead to polarity in a molecule?
Match the molecule with the name of its geometry.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
| arrow_right_alt | Trigonal Pyramidal |
| arrow_right_alt | Linear |
| arrow_right_alt | Bent or Angular |
| arrow_right_alt | Trigonal Planar |
| arrow_right_alt | Tetrahedral |
Which molecule is nonpolar overall?
A molecule is a group of atoms held together by...
Water molecules are polar because their shape is…
Draw a Lewis Dot structure for the following molecule. You must show all bonds and lone pairs (e- dots).
carbon dioxide, CO2
What shape does a carbon dioxide molecule take?
Draw a Lewis Dot structure for the following molecule. You must show all bonds and lone pairs (e- dots).
phosphorus trichloride, PCl3
What shape does a phosphorus trichloride molecule take?
Match the number to its prefix.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
9 | arrow_right_alt | penta |
5 | arrow_right_alt | hexa |
6 | arrow_right_alt | hepta |
7 | arrow_right_alt | nona |
What is the name of the following compound: N2O4
What is the purpose of a Roman numeral in the name of a compound?
Which is the correct formula for iron(III) phosphate?
Below are formulas of ionic compounds made from hypothetical elements. Which formula is correct, assuming that each ion's charge is correct?
Which one of the following compounds is least likely to form?
The total positive and negative charges in the formula of an ionic compound add up to...
Which principle or law is stated here?
Atoms are neither created nor destroyed during a chemical reaction.
Elements that are found on the same side of the periodic table "staircase" will form ionic bonds together.
When a reduction-oxidation (redox) reaction occurs, the charge of at least one element will change before and after the reaction.
A decomposition reaction will always result in the formation of one single product.
The formula for an acid is easy to recognize because the first element is always hydrogen.
Which of the following is NOT balanced?
The balancing of a chemical equation is accomplished by...
What is the name of HCl(aq)?
The reaction 2 KClO3 → 2 KCl + 3 O2 would be classified as...
Which chemical reaction would occur naturally if the chemicals were combined?
In an activity series of metals, where are the metals that are safer to touch and wear as jewelry?
The reaction Ca + MgSO4 → CaSO4 + Mg would be classified as...
In order for a combustion reaction to occur, _____________ must be available as a reactant.
A solid that forms when liquid solutions react is called a/an...
A/an _____________ forms when a substance is dissolved in water.
Consider the reactants in the reaction in the photograph:
lead(II) nitrate + potassium iodide → ________ + ________
What are names of the products in this reaction?
Consider the two reactants below:
NaOH + Cu(SO4)2 → ________ + ________
Which of the following are the products of this reaction?
Categorize the following substances as soluble or insoluble in water.
CaSO4
Pb(NO3)2
K3PO4
MgCO3
Soluble
Insoluble
Determine whether the following substances form a solid or dissolve in water to form a solution.
ammonium phosphate
silver (I) bromide
calcium nitrate
barium sulfate
Forms solid
Dissolves in water
Multiply a mole quantity by Avogadro’s number when you want to find the number of…
Which is the correct label for molar mass?
What is the correct molar mass of Ba(OH)2?
Calculate the moles represented by 3.21x1024 atoms Se
How many particles are in 1.48 moles of Co?
Calculate the molar mass of NH3
Balance the chemical equation:
Balance the equation by adding coefficients.
EXTRA CREDIT
Reflect on your time in class this year. What were some of your fondest memories in chemistry?
Is a carbon dioxide molecule polar or nonpolar?
Is a phosphorus trichloride molecule polar or nonpolar?
What is the yellow substance?
