June 2016 NY Regents PSC - Part A
Quiz by Christopher Merryman
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30 questions
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- Q1Which statement describes the charge of an electron and the charge of a proton?An electron and a proton both have a charge of +1.An electron has a charge of +1, and a proton has a charge of -1An electron has a charge of -1, and a proton has a charge of +1.An electron and a proton both have a charge of -130s
- Q2Which subatomic particles are found in the nucleus of an atom of beryllium?electrons and protonsneutrons and electronselectrons and positronsneutrons and protons30s
- Q3The elements in Period 4 on the Periodic Table are arranged in order of increasingnumber of occupied shells of electronsatomic radiusatomic numbernumber of valence electrons30s
- Q4Which phrase describes two forms of solid carbon, diamond and graphite, at STP?the same crystal structure and the same propertiesdifferent crystal structures and the same propertiesdifferent crystal structures and different propertiesthe same crystal structure and different properties30s
- Q5Which element has six valence electrons in each of its atoms in the ground state?KrGaAsSe30s
- Q6What is the chemical name for H2SO3(aq)?sulfurous acidsulfuric acidhydrosulfurous acidhydrosulfuric acid30s
- Q7Which substance is most soluble in water?(NH4)3PO4Ag2SO4CaCO3Cu(OH)230s
- Q8Which type of bonding is present in a sample of an element that is malleable?polar covalentionicmetallicnonpolar covalent30s
- Q9Which atom has the greatest attraction for the electrons in a chemical bond?siliconoxygenhydrogensulfur30s
- Q10Which type of reaction involves the transfer of electrons?double replacementoxidation-reductionneutralizationalpha decay30s
- Q11A 10.0-gram sample of nitrogen is at STP. Which property will increase when the sample is cooled to 72 K at standard pressure?temperaturemassdensityvolume30s
- Q12Which element is a gas at STP?sulfurxenonpotassiumphosphorus30s
- Q13A 5.0-gram sample of Fe(s) is to be placed in 100. milliliters of HCl(aq). Which changes will result in the fastest rate of reaction?increasing the surface area of Fe(s) and decreasing the concentration of HCl(aq)increasing the surface area of Fe(s) and increasing the concentration of HCl(aq)decreasing the surface area of Fe(s) and decreasing the concentration of HCl(aq)decreasing the surface area of Fe(s) and increasing the concentration of HCl(aq)30s
- Q14Which process is commonly used to separate a mixture of ethanol and water?distillationfiltrationtitrationionization30s
- Q15A sample of hydrogen gas will behave most like an ideal gas under the conditions oflow pressure and high temperaturelow pressure and low temperaturehigh pressure and low temperaturehigh pressure and high temperature30s