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NY Released Regents Exam - Chemistry (Aug 2023)
Quiz by NYSED Chemistry
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Which proposal in the development of the modern model of the atom was made before the others?
According to the wave-mechanical model, in the ground state, the 10 electrons of a neon atom would be located
Which statement describes two different isotopes of carbon?
An element that is a very reactive metal could have an atomic number of
Which element is listed with the number of protons in each of its atoms?
What is the overall charge on the nucleus of a fluorine atom?
As the elements with atomic numbers 11 through 17 are considered in order of increasing atomic number, the classification of the elements changes from
A compound consists of two or more different elements that are
Which phrase describes the molecular polarity of and the charge distribution in an HCl molecule?
Which atom forms an ion with a radius larger than the atomic radius?
Which sample can be classified as a substance?
A 1.0-gram sample of NaCl(s) is dissolved in 100.grams of water at 25°C, and another 1.0-gram sample of NaCl(s) is dissolved in 50. grams of water at 25°C. Which property of the two resulting mixtures will be different?
Based on Table G, which compound has the greatest solubility in 100. grams of water at 10.°C?
According to the kinetic molecular theory, ideal gas particles
A reaction is most likely to occur when the reacting particles collide with proper orientation and proper
Which term identifies the strong intermolecular forces found in a sample of liquid water?
Which mathematical expression represents the heat of reaction for a chemical change?
Catalysts can increase the rate of a chemical reaction by providing
Which term represents the disorder of a system?
Which element must be present in all organic compounds?
In a voltaic cell, oxidation occurs
Which positive ion must be present in an aqueous solution of an Arrhenius acid?
A change that converts an atom of one element to another element is called
Which radiation has the least ionizing power and greatest penetrating power?
Which nuclear emission is listed with its notation?
Diagram 1 represents an atom of hydrogen, showing the nucleus and the electron in the first shell.
What is represented by diagram 2?
The table below gives the atomic mass and the abundance of the two naturally occurring isotopes of copper.
Which numerical setup can be used to calculate the atomic mass of the element copper?
Which subatomic particles were discovered as the result of experiments with cathode ray tubes?
Which change in electron location in an atom of calcium is accompanied by the greatest amount of energy emitted?
As the atomic number increases in Group 2 from Be to Ba, the first ionization energy
What is the vapor pressure of water at 90.°C?
A sample is composed of two different substances that can be separated by using filter paper. This sample is classified as
Which solutions react to produce an insoluble compound?
What is the amount of heat energy absorbed when 40.0 grams of water is heated from 10.0°C to 30.0°C?
Given the formula representing a compound:
What is a chemical name of this compound?
Given the cooling curve for a substance:
During which intervals is the potential energy decreasing while the average kinetic energy remains constant?
Which formula represents a hydrocarbon?
Which type of organic reaction produces carbon dioxide and water?
Which half-reaction equation represents the oxidation of lithium?
Based on Table J, which ionic equation represents a spontaneous reaction that can occur in a voltaic cell?
Which indicator is blue in a solution that has a pH value of 7.0?
Which radioisotope requires long-term storage to prevent the risk of biological exposure?
