The bond between which two atoms is most polar? (1) Br and Cl (3) I and Cl (2) Br and F (4) I and F 22.

Atom X and atom Z are isotopes of the element (1) aluminum (3) magnesium (2) carbon (4) nitrogen Developed by Mary Courtney, RCSD MayĤ 21. The table below shows the number of subatomic particles in atom X and in atom Z. Which nuclide is listed with its half-life and decay mode? 20. Based on the results of testing colorless solutions with indicators, which solution is most acidic? (1) a solution in which bromthymol blue is blue (2) a solution in which bromcresol green is blue (3) a solution in which phenolphthalein is pink (4) a solution in which methyl orange is red 19. Which compound is an Arrhenius acid? (1) CaO (3) K2O (2) HCl (4) NH3 18. The isotopes K-37 and K-42 have the same (1) decay mode (2) bright-line spectrum (3) mass number for their atoms (4) total number of neutrons in their atoms 17. Which compound is insoluble in water? (1) KOH (3) Na3PO4 (2) NH4Cl (4) PbSO4 16. Which unit can be used to express the concentration of a solution? Developed by Mary Courtney, RCSD Mayģ (1) L/s (3) ppm (2) J/g (4) kpa 15. Which substance can not be broken down by a chemical change? (1) methane (3) tungsten (2) propanal (4) water 14. Which Group 15 element exists as diatomic molecules at STP? (1) phosphorus (3) bismuth (2) nitrogen (4) arsenic 13. The percent composition by mass of nitrogen in NH4OH (gram-formula mass = 35 grams/mole) is equal to 12. A balanced equation representing a chemical reaction can be written using (1) chemical formulas and mass numbers (2) chemical formulas and coefficients (3) first ionization energies and mass numbers (4) first ionization energies and coefficients 11. Ref Table Ans Developed by Mary Courtney, RCSD MayĢ 7 Given the reaction at kilopascals and 298 K: hydrogen gas + iodine gas hydrogen iodide gas This reaction is classified as (1) endothermic, because heat is absorbed (2) endothermic, because heat is released (3) exothermic, because heat is absorbed (4) exothermic, because heat is released 8 What is the total number of valence electrons in a calcium atom in the ground state? (1) 8 (3) 18 (2) 2 (4) An atom of which element has the largest atomic radius? (1) Fe (3) Si (2) Mg (4) Zn 10. (4) Electronegativity increases and metallic properties decrease. (3) Electronegativity decreases and metallic properties increase. (2) Both electronegativity and metallic properties increase. C to make a saturated solution? (1) 32 g (3) 64 g (2) 53 g (4) 106 g 6 Which statement describes the general trends in electronegativity and metallic properties as the elements in Period 2 are considered in order of increasing atomic number? (1) Both electronegativity and metallic properties decrease. Multiple choice (Part A and B1) Question 1 What is the total number of neutrons in an atom of O-18? (1) 18 (3) 10 (2) 16 (4) 8 2 Which element is malleable and a good conductor of electricity at STP? (1) argon (3) iodine (2) carbon (4) silver 3 Which element has chemical properties that are most similar to the chemical properties of sodium? (1) beryllium (3) lithium (2) calcium (4) magnesium 4 If an element, X, can form an oxide that has the formula X 2 O 3, then element X would most likely be located on the Periodic Table in the same group as (1) Ba (3) In (2) Cd (4) Na 5 What is the total mass of KNO3 that must be dissolved in 50. Multiple choice questions are organized together, followed by constructed response questions. This compilation of Reference Table related questions from the June 2010-January 2011 NYS Chemistry Regents exams will help you to recognize questions requiring the use of reference tables, as well as giving you practice using the reference tables to answer Regents style questions.

Translated Editions: 2010 Edition of the Reference Tables for Physical Setting/Earth Science ( Caution: Based on your printer settings, the ruler on page one of these reference tables may not print exactly to scale.1 NAME KNOW THY REFERENCE TABLES! Knowing your reference tables well is a big help on the NYS Chemistry Regents exam since about half of the questions can be answered using the tables.

2010 Physical Setting/Earth Science - For use only with examinations administered from January 2010 to August 2011įor Physical Setting/Earth Science (1.1 Mb).

Tables for Physical Setting/Chemistry pp10-12įor use only with examinations administered prior to June 2002

2002 Physical Setting/Chemistry - For use only with examinations administered from June 2002 to June 2011.

Periodic table chemistry regents