Syvum Home Page

Home > Examinations > NYSED Regents Exams > Chemistry >

Physical Setting / Chemistry - New York Regents January 2014 Exam

   Directions (1–30): For each statement or question, record on your separate answer sheet the number of the
word or expression that, of those given, best completes the statement or answers the question. Some questions
may require the use of the 2011 Edition Reference Tables for Physical Setting/Chemistry.

Formats Worksheet / Test Paper Quiz Review
: Multiple choice

Your Performance  

1.

1 What is the approximate mass of a proton?
  (1) 1 u                 (3) 1 g
  (2) 0.0005 u            (4) 0.0005 g

  1

  2

  3

  4

  Half-n-half Clue
 

2.

2 An electron in a sodium atom gains enough
  energy to move from the second shell to the
  third shell. The sodium atom becomes
  (1) a positive ion
  (2) a negative ion
  (3) an atom in an excited state
  (4) an atom in the ground state

  1

  2

  3

  4

  Half-n-half Clue
 

3.

3 Which particle has no charge?
  (1) electron            (3) positron
  (2) neutron             (4) proton

  1

  2

  3

  4

  Half-n-half Clue
 

4.

4 Which quantity represents the number of
  protons in an atom?
  (1) atomic number
  (2) oxidation number
  (3) number of neutrons
  (4) number of valence electrons

  1

  2

  3

  4

  Half-n-half Clue
 

5.

5 The element sulfur is classified as a
  (1) metal                (3) nonmetal
  (2) metalloid            (4) noble gas

  1

  2

  3

  4

  Half-n-half Clue
 

6.

6 The elements in Group 2 have similar chemical
  properties because each atom of these elements
  has the same
  (1) atomic number
  (2) mass number
  (3) number of electron shells
  (4) number of valence electrons

  1

  2

  3

  4

  Half-n-half Clue
 

7.

7 What is formed when two atoms of bromine
  bond together?
  (1) a monatomic molecule
  (2) a diatomic molecule
  (3) a heterogeneous mixture
  (4) a homogeneous mixture

  1

  2

  3

  4

  Half-n-half Clue
 

8.

8 Gold can be flattened into an extremely thin
  sheet. The malleability of gold is due to the
  (1) radioactive decay mode of the isotope Au-198
  (2) proton-to-neutron ratio in an atom of gold
  (3) nature of the bonds between gold atoms
  (4) reactivity of gold atoms

  1

  2

  3

  4

  Half-n-half Clue
 

9.

9 Which term represents the attraction one atom
  has for the electrons in a bond with another atom?
  (1) electronegativity
  (2) electrical conductivity
  (3) first ionization energy
  (4) mechanical energy

  1

  2

  3

  4

  Half-n-half Clue
 

10.

10 Salt water is classified as a
   (1) compound because the proportion of its
       atoms is fixed
   (2) compound because the proportion of its
       atoms can vary
   (3) mixture because the proportion of its
       components is fixed
   (4) mixture because the proportion of its
       components can vary

  1

  2

  3

  4

  Half-n-half Clue
 

11.

11 Which substance can not be broken down by a
   chemical change?
   (1) ammonia            (3) ethane
   (2) arsenic            (4) propanal

  1

  2

  3

  4

  Half-n-half Clue
 

12.

12 Some physical properties of two samples of iodine-127 
   at two different temperatures are shown in the table below.
                   Selected Physical Properties of Iodine-127 Samples at 1 atm
                           
               Sample       Sample Temperature(K)            Description         Density(g/cm3)
                                   
                  1                  298              dark-gray crystals             4.933
                  2                  525              dark-purple gas                0.006
               These two samples are two different
               (1) mixtures                                 (3) phases of matter
               (2) substances                               (4) isotopes of iodine

  1

  2

  3

  4

  Half-n-half Clue
 

13.

13 Powdered iron is magnetic, but powdered sulfur
   is not. What occurs when they form a mixture in a
   beaker at room temperature?
   (1) The iron retains its magnetic properties.
   (2) The iron loses its metallic properties.
   (3) The sulfur gains magnetic properties.
   (4) The sulfur gains metallic properties.

  1

  2

  3

  4

  Half-n-half Clue
 

14.

14 Which property is a measure of the average
   kinetic energy of the particles in a sample of
   matter?
   (1) mass                (3) pressure
   (2) density             (4) temperature

  1

  2

  3

  4

  Half-n-half Clue
 

15.

15 According to the kinetic molecular theory,
   which statement describes the particles of an
   ideal gas?
   (1) The gas particles are arranged in a regular
       pattern.
   (2) The force of attraction between the gas
       particles is strong.
   (3) The gas particles are hard spheres in
       continuous circular motion.
   (4) The collisions of the gas particles may result
       in the transfer of energy.

  1

  2

  3

  4

  Half-n-half Clue
 

16.

16 The concentration of a solution can be
   expressed in
   (1) milliliters per minute
   (2) parts per million
   (3) grams per kelvin
   (4) joules per gram

  1

  2

  3

  4

  Half-n-half Clue
 

17.

17 Two hydrogen atoms form a hydrogen molecule
   when
   (1) one atom loses a valence electron to the other
       atom
   (2) one atom shares four electrons with the other
       atom
   (3) the two atoms collide and both atoms gain
       energy
   (4) the two atoms collide with sufficient energy
       to form a bond

  1

  2

  3

  4

  Half-n-half Clue
 

18.

18 Which type of formula represents the simplest
   whole-number ratio of atoms of the elements in
   a compound?
   (1) molecular formula (3) empirical formula
   (2) condensed formula (4) structural formula

  1

  2

  3

  4

  Half-n-half Clue
 

19.

19 The coefficients in a balanced chemical equation
   represent
   (1) the mass ratios of the substances in the
       reaction
   (2) the mole ratios of the substances in the
       reaction
   (3) the total number of electrons in the reaction
   (4) the total number of elements in the reaction

  1

  2

  3

  4

  Half-n-half Clue
 

20.

20 Systems in nature tend to undergo changes
   toward
   (1) lower energy and higher entropy
   (2) lower energy and lower entropy
   (3) higher energy and higher entropy
   (4) higher energy and lower entropy

  1

  2

  3

  4

  Half-n-half Clue
 

21.

21 Which formula represents an organic compound?
   (1) CaH2                (3) H2O2
   (2) C4H8                (4) P2O5

  1

  2

  3

  4

  Half-n-half Clue
 

22.

22 Which class of organic compounds contains
   nitrogen?
   (1) aldehyde          (3) amine
   (2) alcohol           (4) ether

  1

  2

  3

  4

  Half-n-half Clue
 

23.

23 Which term identifies a type of organic reaction?
   (1) deposition            (3) esterification
   (2) distillation          (4) sublimation

  1

  2

  3

  4

  Half-n-half Clue
 

24.

24 Which compound is classified as a hydrocarbon?
   (1) butanal             (3) 2-butanol
   (2) butyne              (4) 2-butanone

  1

  2

  3

  4

  Half-n-half Clue
 

25.

25 In an oxidation-reduction reaction, the number
   of electrons lost is
   (1) equal to the number of electrons gained
   (2) equal to the number of protons gained
   (3) less than the number of electrons gained
   (4) less than the number of protons gained

  1

  2

  3

  4

  Half-n-half Clue
 

26.

26 Which substance is an electrolyte?
   (1) C6H12O6(s)          (3) NaOH(s)
   (2) C2H5OH(ℓ)          (4) H2(g)

  1

  2

  3

  4

  Half-n-half Clue
 

27.

27 Which energy conversion must occur in an
   operating electrolytic cell?
   (1) electrical energy to chemical energy
   (2) electrical energy to nuclear energy
   (3) chemical energy to electrical energy
   (4) chemical energy to nuclear energy

  1

  2

  3

  4

  Half-n-half Clue
 

28.

28 Which compound yields H+ ions as the only
   positive ions in an aqueous solution?
   (1) KOH                  (3) CH3OH
   (2) NaOH                 (4) CH3COOH

  1

  2

  3

  4

  Half-n-half Clue
 

29.

29 Which statement describes the relative masses
   of two different particles?
   (1) A neutron has less mass than a positron.
   (2) A beta particle has less mass than a neutron.
   (3) An alpha particle has less mass than a
       positron.
   (4) An alpha particle has less mass than a beta
       particle.

  1

  2

  3

  4

  Half-n-half Clue
 

30.

30 Which term represents a type of nuclear reaction?
   (1) condensation
   (2) vaporization
   (3) single replacement
   (4) natural transmutation

  1

  2

  3

  4

  Half-n-half Clue
 
Skip to Questions 31 - 50


 
6 more pages in Chemistry


Contact Info © 1999-2017 Syvum Technologies Inc. Privacy Policy Disclaimer and Copyright
Previous
-
Next
-