Chemistry Honors EOC Practice Exam Questions And
Answers With Latest Quiz
Which phrase describes the molecular structure and properties of two solids forms of carbon, diamonds and
graphite? ANS different molecular structures and different properties
Which statement best explain why neon is a Group 18 element? ANS Neon atoms have a full valance shell of
electron
Which state(s) of matter will take the shape of any container they are placed into? ANS gases only
An example of a chemical property is ANS Tendency of a metal to rust in salt water
Which of the following is NOT a physical change? ANS Burning
State the model that first include electrons as subatomic particles. ANS Thomson model
Which information do the experiment above reveal about the nucleus of the gold atom? ANS The nucleus is
small and is the desist part of the atom
Compared to the atoms of nonmetals in Period 3, the atoms of metals in Period 3 have ANS Fewer valance
electron
The mass of a proton is approximately equal to the mass of ANS A neutron
Compared to the charges of a proton, the charges of an electron has ANS The same magnitude and the opposite
sign
What is the charge of the nucleus of an oxygen atom? ANS +8
Which of the following statement is NOT true? ANS Electrons are negatively charged and have a mass of 1 amu
, Which atom in the ground state requires the least amount of energy (lowest ionization energy) to remove its valence
electron? ANS Rubidium atom
When an atom of lithium loses an electron, the atoms becomes a ANS Positive ion with a radius smaller than the
radius of atoms
Which characteristic both generally decrease when the elements in Period 3 on the Periodic Table are considered in
order from left to right? ANS Metallic properties and atomic radius
Which statement describes the relative energy of the electrons in the shells of a calcium atoms? ANS An election
in the third shell has more entertainment than an electron in the second shell
Atoms of which element have the greatest tendency to gain electrons? ANS Flourine
Compared to a phosphorus atoms, a P3- ion has ANS More electrons and a larger radius
AS the elements in Period 3 increase in atomic number, their is also a general decrease in ANS Atomic radius
Which atom has the largest atomic radius? ANS Fr
In the alkaline earth metals groups, atoms with the smallest radii ANS Have the highest ionization energies
Which ion had the smallest radius? ANS F-
Which of the following is the correct electron configuration fro a Sodium atom? ANS 1S2 2S2 2P6 3S1
Which compound exhibits hydrogen bonding between its molecules? ANS HF
Dipole-dipole forces are the most significant in polar substance because the London dispersion force present in polar
substance are ANS Usually much weaker than the dipole-dipole forces
The reason the boiling point of water is higher than that hydrogen sulfide is partially explained by ANS
Hydrogen bonding
Answers With Latest Quiz
Which phrase describes the molecular structure and properties of two solids forms of carbon, diamonds and
graphite? ANS different molecular structures and different properties
Which statement best explain why neon is a Group 18 element? ANS Neon atoms have a full valance shell of
electron
Which state(s) of matter will take the shape of any container they are placed into? ANS gases only
An example of a chemical property is ANS Tendency of a metal to rust in salt water
Which of the following is NOT a physical change? ANS Burning
State the model that first include electrons as subatomic particles. ANS Thomson model
Which information do the experiment above reveal about the nucleus of the gold atom? ANS The nucleus is
small and is the desist part of the atom
Compared to the atoms of nonmetals in Period 3, the atoms of metals in Period 3 have ANS Fewer valance
electron
The mass of a proton is approximately equal to the mass of ANS A neutron
Compared to the charges of a proton, the charges of an electron has ANS The same magnitude and the opposite
sign
What is the charge of the nucleus of an oxygen atom? ANS +8
Which of the following statement is NOT true? ANS Electrons are negatively charged and have a mass of 1 amu
, Which atom in the ground state requires the least amount of energy (lowest ionization energy) to remove its valence
electron? ANS Rubidium atom
When an atom of lithium loses an electron, the atoms becomes a ANS Positive ion with a radius smaller than the
radius of atoms
Which characteristic both generally decrease when the elements in Period 3 on the Periodic Table are considered in
order from left to right? ANS Metallic properties and atomic radius
Which statement describes the relative energy of the electrons in the shells of a calcium atoms? ANS An election
in the third shell has more entertainment than an electron in the second shell
Atoms of which element have the greatest tendency to gain electrons? ANS Flourine
Compared to a phosphorus atoms, a P3- ion has ANS More electrons and a larger radius
AS the elements in Period 3 increase in atomic number, their is also a general decrease in ANS Atomic radius
Which atom has the largest atomic radius? ANS Fr
In the alkaline earth metals groups, atoms with the smallest radii ANS Have the highest ionization energies
Which ion had the smallest radius? ANS F-
Which of the following is the correct electron configuration fro a Sodium atom? ANS 1S2 2S2 2P6 3S1
Which compound exhibits hydrogen bonding between its molecules? ANS HF
Dipole-dipole forces are the most significant in polar substance because the London dispersion force present in polar
substance are ANS Usually much weaker than the dipole-dipole forces
The reason the boiling point of water is higher than that hydrogen sulfide is partially explained by ANS
Hydrogen bonding
