Release of Spring 2021 MCAS Test Information High School Chemistry Paper-Based Test - June 2021 Massachusetts Department of Elementary and ...
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Release of Spring 2021
MCAS Test Information
from the
High School Chemistry
Paper-Based Test
June 2021
Massachusetts Department of
Elementary and Secondary EducationThis document was prepared by the
Massachusetts Department of Elementary and Secondary Education
Jeffrey C. Riley
Commissioner
The Massachusetts Department of Elementary and Secondary Education, an affirmative action employer,
is committed to ensuring that all of its programs and facilities are accessible to all members of the public.
We do not discriminate on the basis of age, color, disability, gender identity, national origin, race, religion, sex or
sexual orientation. Inquiries regarding the Department’s compliance with Title IX and other civil rights laws may
be directed to the Human Resources Director, 75 Pleasant St., Malden, MA 02148 781-338-6105.
© 2021 Massachusetts Department of Elementary and Secondary Education
Permission is hereby granted to copy for non-commercial educational purposes any or all parts of
this document with the exception of English Language Arts passages that are not designated as in
the public domain. Permission to copy all other passages must be obtained from the copyright holder.
Please credit the “Massachusetts Department of Elementary and Secondary Education.”
Massachusetts Department of Elementary and Secondary Education
75 Pleasant Street, Malden, MA 02148-4906
Phone 781-338-3000 TTY: N.E.T. Relay 800-439-2370
www.doe.mass.eduHigh School Chemistry Test
The spring 2021 high school Chemistry test was a legacy assessment that was based on learning standards in the Chemistry content
strand of the October 2006 version of the Massachusetts Science and Technology/Engineering Curriculum Framework. The 2006
framework is available on the Department website at www.doe.mass.edu/frameworks/archive.html. Massachusetts adopted a new
curriculum framework in science and technology/engineering in 2016. A plan for transitioning the MCAS assessments to the new
framework is available at www.doe.mass.edu/mcas/tdd/sci.html?section=transition.
Chemistry test results are reported under the following four MCAS reporting categories:
• Atomic Structure and Periodicity
• Bonding and Reactions
• Properties of Matter and Thermochemistry
• Solutions, Equilibrium, and Acid-Base Theory
The table at the conclusion of this document indicates each item’s reporting category and the framework learning standard each item
assesses. In order to support future test development, items from the spring 2021 Chemistry test are not included in this publication.
The omission of these items will have no impact on the reporting of results.
Test Sessions
The high school Chemistry test included two separate test sessions. Each session included multiple-choice and open-response
questions.
Reference Materials and Tools
Each student taking the high school Chemistry test was provided with a Chemistry Formula and Constants Sheet/Periodic Table of the
Elements. Copies of both sides of this formula sheet appear on the following pages.
Each student also had sole access to a calculator with at least four functions and a square-root key.
During both Chemistry test sessions, the use of bilingual word-to-word dictionaries was allowed for current and former English learner
students only. No other reference tools or materials were allowed.
MCAS_2018_CHEM_RID
1Massachusetts Comprehensive Assessment System
Chemistry Formula and Constants Sheet
Common Polyatomic Ions
Ion Ionic Formula
Ammonium NH4
Carbonate CO32-
Hydroxide OH-
Nitrate NO3-
Phosphate PO43-
Sulfate SO42-
P1 V1 P2 V2
Combined Gas Law:
T1 T2
Ideal Gas Law: PV nRT
Dilution Formula: M1V1 M2V2
Molar Volume of Ideal Gas at STP: 22.4 L/mol
Ideal Gas Constant: R 0.0821 L • atm/mol • K 8.31 L • kPa/mol • K
STP: 1 atm (101.3 kPa), 273 K (0°C)
Absolute Temperature Conversion: K °C 273
Definition of pH: pH log [H3O ] log [H ]
Avogadro’s Number: 6.02 1023 particles/mol
Nuclear Symbols
Name Symbol
Alpha particle or 42 He
Beta particle or −01 e
Gamma ray
1
Neutron 0n
MCAS_2018_CHEM_RID 2Massachusetts Comprehensive Assessment System
Group (Family) Periodic Table of the Elements
1A 8A
MCAS_2018_CHEM_RID
1 18
1.01 4.00
H Key: He
1 1 2
atomic weight
Hydrogen Symbol Helium
2A atomic number 3A 4A 5A 6A 7A
1 2 13 14 15 16 17
Name
6.94 9.01 10.81 12.01 14.01 16.00 19.00 20.18
2
Li Be B C N O F Ne
3 4 5 6 7 8 9 10
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
22.99 24.31 26.98 28.09 30.97 32.06 35.45 39.95
Na Mg 8B Al Si P S Cl Ar
3 3B 4B 5B 6B 7B 1B 2B
11 12 13 14 15 16 17 18
Sodium Magnesium 3 4 5 6 7 8 9 10 11 12 Aluminum Silicon Phosphorus Sulfur Chlorine Argon
39.10 40.08 44.96 47.88 50.94 52.00 54.94 55.85 58.93 58.69 63.55 65.39 69.72 72.59 74.92 78.96 79.90 83.80
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Period
4
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
3
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
85.47 87.62 88.91 91.22 92.91 95.94 (98) 101.07 102.91 106.42 107.87 112.41 114.82 118.71 121.75 127.60 126.91 131.29
5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
132.91 137.33 178.49 180.95 183.85 186.21 190.23 192.22 195.08 196.97 200.59 204.38 207.2 208.98 (209) (210) (222)
6 Cs Ba Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
55 56 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
Cesium Barium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon
(223) (226) (267) (268) (271) (272) (277) (276) (281) (280)
Fr Ra Rf Db Sg Bh Hs Mt Ds Rg
7 87 88 105 106 107 108 109 110 111
104
Francium Radium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium
Mass numbers in parentheses are those of the most stable or most common isotope.
138.91 140.12 140.91 144.24 (145) 150.36 151.96 157.25 158.93 162.50 164.93 167.26 168.93 173.04 174.97
Lanthanide Series La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
57 58 59 60 61 63
62 64 65 66 67 68 69 70 71
Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium
(227) 232.04 231.04 238.03 (237) (244) (243) (247) (247) (251) (252) (257) (258) (259) (262)
Actinide Series Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103
Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium
*Revised based on IUPAC Commission on Atomic Weights and Isotopic Abundances, “Atomic Weights of the Elements 2007.”High School Chemistry
Spring 2021 Unreleased Operational Items
Item No. Reporting Category 2006 Standard
1 Atomic Structure and Periodicity STE.CH.AS2.4
2 Atomic Structure and Periodicity STE.CH.Per3.3
3 Atomic Structure and Periodicity STE.CH.AS2.5
4 Properties of Matter and Thermochemistry STE.CH.SM6.4
5 Bonding and Reactions STE.CH.Bond4.4
6 Bonding and Reactions STE.CH.Reac5.5
7 Atomic Structure and Periodicity STE.CH.AS2.6
8 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Sol7.5
9 Properties of Matter and Thermochemistry STE.CH.PM1.3
10 Properties of Matter and Thermochemistry STE.CH.SM6.1
11 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Acid8.3
12 Bonding and Reactions STE.CH.Bond4.1
13 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Sol7.1
14 Bonding and Reactions STE.CH.Reac5.6
15 Atomic Structure and Periodicity STE.CH.Per3.4
16 Properties of Matter and Thermochemistry STE.CH.PM1.1
17 Bonding and Reactions STE.CH.Reac5.4
18 Bonding and Reactions STE.CH.Bond4.3
19 Atomic Structure and Periodicity STE.CH.Per3.3
20 Properties of Matter and Thermochemistry STE.CH.SM6.4
21 Properties of Matter and Thermochemistry STE.CH.SM6.3
22 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Sol7.4
23 Properties of Matter and Thermochemistry STE.CH.PM1.2
24 Atomic Structure and Periodicity STE.CH.AS2.7
25 Properties of Matter and Thermochemistry STE.CH.SM6.2
26 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Acid8.2
27 Properties of Matter and Thermochemistry STE.CH.SM6.1
28 Atomic Structure and Periodicity STE.CH.Per3.1
29 Bonding and Reactions STE.CH.Reac5.1
30 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Acid8.1
31 Atomic Structure and Periodicity STE.CH.AS2.2
32 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Sol7.6
33 Bonding and Reactions STE.CH.Bond4.1
34 Properties of Matter and Thermochemistry STE.CH.SM6.2
MCAS_2018_CHEM_RID 4Item No. Reporting Category 2006 Standard
35 Properties of Matter and Thermochemistry STE.CH.SM6.5
36 Bonding and Reactions STE.CH.Bond4.6
37 Properties of Matter and Thermochemistry STE.CH.PM1.2
38 Atomic Structure and Periodicity STE.CH.AS2.2
39 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Sol7.2
40 Atomic Structure and Periodicity STE.CH.AS2.3
41 Bonding and Reactions STE.CH.Bond4.2
42 Solutions, Equilibrium, and Acid-Base Theory STE.CH.Sol7.3
43 Bonding and Reactions STE.CH.Reac5.3
44 Atomic Structure and Periodicity STE.CH.Per3.2
45 Bonding and Reactions STE.CH.Reac5.2
MCAS_2018_CHEM_RID
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