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chemistry mid-term

QuestionAnswer
horizontal row in the periodic table h. period
vertical column in the periodic table i. group
type of element that is a good conductor of heat and electric current d. atomic radius
type of element characterized by the presence of electrons in the D orbital e. transition metal
one-half the distance between the nuclei of two atoms when the atoms are joined c. atomic radius
type of ion formed by group 2A elements g. cation
subatomic particles that are transferred to form positive and negative ions j. electrons
ability of an atom to attract electrons when the atom is in a compound a. electronegativity
energy required to remove an electron from an atom b. ionization energy
an electron in the highest occupied energy level of an atom
atoms react so as to acquire the stable electron structure of a noble gas
a depiction of valence electrons around the symbol of an element
an anion of chlorine or other halogen
the force of attraction binding oppositely charged ions together
energy needed to break a single bond between two covalently bonded atoms
molecular orbital that can be occupied by two electrons of a covalent bond
109.5
shapes adjust so valence-electron pairs are as far apart as possible
attraction between two polar molecules
crystal in which all the atoms are covalently bonded to each other
an example of an extensive property of matter is..
all of the following are physical properties of matter EXCEPT..
a vapor is which state of matter
which state of matter takes both the shape and volume of its container
which state of matter is characterized by having an indefinite shape, but a definite volume?
which state of matter is characterized by having a definite shape and a definite volume
all of the following are physical properties in the liquid state EXCEPT..
which of the following is a physical change
which of the following CANNOT be classified as a substance
which of the following is a homogeneous mixture
which of the following items is NOT a compound
which of the following is true about compounds
what do chemical symbols and formulas represent, respectively
which substance has a chemical symbol that is derived from a Latin name
in the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant
what must occur for a change to be a chemical reaction
which of the following processes does NOT involve a change in chemical properties
a chemical change occurs when a piece of wood..
which of the following indicates that a chemical change has happened during cooking
which action changes the identity of the substance referenced
who was the man who lived from 460B.C. - 370B.C. and was among the first to suggest the idea of atoms
daltons atomic theory included which idea
which of the following is true about subatomic particles
which of the following is correct concerning subatomic particles
all atoms are..
as a consequence of the discovery of the nucleus by Rutherford, which model of the atom is thought to be true
the nucleus of an atom is..
the atomic number of an element is the total number of which particles in the nucleus
in which of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly
how many protons, electrons, and neutrons does an atom with the atomic #50 and mass #125 contain
if E is the symbol for the element, which two of the following symbols represent isotopes of the same element
select the correct symbol for an atom of tritium
which of the following sets of symbols represents isotopes of the same element
how do the isotopes and hydrogen-1 and hydrogen-2 differ
which of the following statements is not true
how does the energy of an electron change when the electron moves closer to the nucleus
what is the maximum number of D orbitals in a principle energy level
what is the maximum number of orbitals in the P sub-level
what is the maximum number of electrons in the second principle energy level
if the spin of one electron in an orbital is clockwise, what is the spin of the other electron in that orbital
according to the aufbua principle,
what is the number of electrons in the outermost energy level of an oxygen atom
how many half-filled orbitals are in a bromine atom
stable electron configurations are likely to contain
which color of visible light has the shortest wavelength
how are the frequency and the wavelength of light related
which of the following quantum leaps would be associated with the greatest energy of emitted light
how do the energy differences between the higher energy levels of an atom compare with the energy differences between the lower energy levels of the atoms
which of the following elements is in the same period as phosphorus
which of the following categories includes the majority of the elements
of the elements Pt, V, Li, and Kr, which is a nonmetal
in which of the following electron configurations is most likely to result in an element that is relatively inactive
which of the following elements is a transition metal
which of the following groupings contains only representative elements
how does atomic radius change from left to right across a period in the periodic table
atomic size generally..
which of the following factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases
which of the following statements is true about ions
why is the second ionization energy greater than the first ionization energy
in which of the following groups of ions are the charges all shown correctly
what is the element with the lowest electronegativity value
which of the following elements has the smallest ionic radius
what is the energy required to remove an electron from an atom in the gaseous state called
for group 2A metals, which electron is the most difficult to remove
which of the following factors contributes to the decrease in ionization energy within a group in the periodic table as the atomic number increases
which of the following elements has the smallest first ionization energy
which of the following elements has the lowest electronegativity
which statement is true about electronegativity
which of the following statements correctly compares the relative size of an ion to its neutral atom
which of the following factors contributes to the increase in ionization energy from left to right across a period
as you move from left to right across the second period of the periodic table...
how many valence electrons are in an atom of phosphorus
how many valence electrons are in an atom of magnesium
how many valence electrons does a helium atom have
what is the maximum charge an ion is likely to have
how many electrons does silver have to give up in order to achieve a psuedo-noble-gas electron configuration
what is the formula of the ion formed when potassium achieves noble-gas configuration
what is the formula of the ion formed when phosphorus a noble-gas electron configuration
what is the electron configuration of the oxide ion (O 2-)
what is the electron configuration of the iodine ion
what is the charge on the cation in the ionic compound sodium sulfide
what is the net charge of the ionic compound calcium fluoride
which of the following is true about an ionic compound
how many valence electrons are transferred from the nitrogen atom to potassium in the formation of the compound calcium nitrade
what is the formula unit of aluminum oxide
which of the following compounds has the formula KNO3
ionic compounds are normally in which physical state at room temperature
which of the following is NOT a characteristic of most ionic compounds
which is a typical characteristic of an ionic compound
what is shown by the structural formula of a molecule or polyatomic ion
which one of these elements does not exist as a diatomic molecule
why do atoms share electrons in covalent bonds
which of the following elements can form diatomic molecules held together by triple covalent bonds
which noble gas has the same electron configuration as the oxygen in a water molecule
which of the following diatomic molecules is joined by a double covalent bond
a molecule with a single covalent bond is..
which of the following bonds is the least reactive
how many valid electron dot formulas-having the same number of electron pairs for a molecule or ion- can be written when a resonance structure occurs
in which of the following compounds is the octet expanded to include 12 electrons
how many electrons can occupy a single molecular orbital
how is a pair of molecular orbitals formed
where are the electrons most probably located in a molecular bonding orbital
according to VSPER theory, molecules adjust their shapes to keep which of the following as far apart as possible
what is the shape of a molecule with a triple bond
what type of hybridization occurs in the orbitals of a carbon atom participating in a triple bond with another carbon atom
which of the following covalent bonds is the most polar
what is thought to cause the dispersion forces
which of the forces of molecular attraction is the weakest
what causes dipole interactions
particles in gas are described as..
which of the following statements is NOT true about the movement of particles in gas
what happens to the average kinetic energy of the particles in a sample of matter as the temperature of the sample is increased
what happens to the range of energies of the particles in matter when the temperature is increased
the average kinetic energy of the particles of a substance
when a gas is heated..
the average kinetic energy of water molecules is greatest in..
what happens to the temperature of a liquid as it evaporates
why does a liquids rate of evaporation increase when the liquid is heated
an increase in the temperature of a contained liquid
Created by: abby f.
 

 



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