- Study guides, Class notes & Summaries

A uniform combination of two or more pure substances can be classified as _____. - correct answer a homogeneous mixture Which of these pure substances is an element? - C12H22O11 (sucrose, table sugar) - O2 - CH4 (methane, the primary component of natural gas) - NH3 (ammonia, a component of fertilizer) - correct answer O2 Based on the organization of the periodic table, periods _____. - correct answer are the horizontal rows To which group and period does potassium b...

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16 pages

Written in 2023/2024

Grade A+

Rechga

Solid - correct answer has definite shape and definite volume Physical States of Matter - correct answer Solid Liquid and Gas Liquid - correct answer has indefinite shape and definite volume Chemical Properties - correct answer characteristic of a substance that describes the way the substances undergoes or resistance change to form a new substances Diatomic molecule - correct answer N O CL F I Br H subatomic particles - correct answer neutron, electr...

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3 pages

Written in 2023/2024

Grade A+

Rechga

Chem 103 Exam 2 Questions and Answers Updates 100- Correct Latest Version

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34 pages

Written in 2025/2026

Grade A+

KGeorge

CHEM 103 EXAM Questions and Answers-Portage Learning Latest Versions Top Rated

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35 pages

Written in 2025/2026

Grade A+

KGeorge

CHEM 120 Final Exam & Study Guide (Chamberlain) – Newest 2026 Test Bank | CHEM 120 Introduction to General, Organic & Biological Chemistry Final Exam Review with 650 Real Exam Questions & Correct Verified Answers – Already Graded A+ (Most Recent!!) – Comp

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8 items

Stuviahero01

This document provides a complete set of Chem 103 review materials covering Exams 1 through 6 as well as the final exam. It includes key concepts, practice problems, and worked solutions from major course topics such as atomic structure, stoichiometry, bonding, thermochemistry, gases, and chemical reactions. Designed as a full-course study resource, it helps students prepare efficiently for midterm assessments and the cumulative final exam.

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43 pages

Written in 2025/2026

Grade A+

Stuviahero01

Which of the following types of radiation has the heighest energy? alpha, gamma, visible, or beta? - correct answer gamma The maximum number of electrons that may occupy the third energy level is? - correct answer 18 Which is NOT a way to minimize your exposure to radiation? a. staying a longer time b. keeping a good distance c. standing behind a thick concrete wall d. wearing lead lined gloves e. wearing a lead apron - correct answer a. staying a longer time If abso...

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4 pages

Written in 2023/2024

Grade A+

Rechga

COAST - correct answer Collect Organize Analyze Solve Think about it Physical Property - correct answer A property that can be observed without change Chemical Property - correct answer A property that can be observed by reacting and forming another substance Intensive - correct answer Independent; does not depend on amount Extensive - correct answer Depends on amount Pure Substance - correct answer Same chemical and physical properties throughout...

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5 pages

Written in 2023/2024

Grade A+

Rechga

Up and down on the periodic table - correct answer Group Left and right on the table - correct answer period Atomic Number - correct answer # of protons mass # - correct answer # of protons and neutrons how is the table arranged? - correct answer mass and chemical reactivity/properties groups on the table show - correct answer reactivity periods on the table show - correct answer mass increasing metals - correct answer solid at room te...

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4 pages

Written in 2023/2024

Grade A+

Rechga

What is Chemistry? - correct answer Study of matter What is Matter? - correct answer Anything that has mass and takes up space Matter has both ______ and _______ properties - correct answer Physical; chemical What are physical properties? - correct answer Characteristics observed or measured without changing the identity of a subtstance What are the three states of matter? - correct answer Solid, Liquid and Gas Solids - correct answer Definite volumes...

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4 pages

Written in 2023/2024

Grade A+

Rechga

scientific notation - correct answer -if the exponent is positive it will be a BIG number -if the exponent is negative it will be a SMALL number length - correct answer meter mass - correct answer kilogram temperature - correct answer kelvin time - correct answer second amount of substance - correct answer mole area - correct answer A m^2 volume - correct answer V m^3 density - correct answer D kg/m^3 concentration - cor...

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14 pages

Written in 2023/2024

Grade A+

Rechga

8.1-8.3 A conversion factor is a ratio that shows the relationship between two units. - correct answer True The units in the numerator of a conversion factor differ from the units in the denominator. - correct answer true Multiplying a measured value by a conversion factor does not change the size of the thing was measured, just the way it is expressed. - correct answer true By definition, 1 in = 2.54 cm. We obtain two conversion factors, the first by dividing both si...

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9 pages

Written in 2023/2024

Grade A+

Rechga

Chemistry - correct answer the study of matter and the changes that matter undergoes matter - correct answer is anything that has mass and occupies space molecules - correct answer tiny pieces of a substance; made up of atoms atoms - correct answer even smaller pieces of matter substance - correct answer a form of matter that has specific chemical composition and distinct observabel properties macroscopic matter - correct answer a substance large enou...

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2 pages

Written in 2023/2024

Grade A+

Rechga

Which of the following is a chemical? A. Light b. noise c. heat d. sugar e. a wave - correct answer sugar hypothesis or observation: Analysis of 10 ceramic dishes showed that four dishes contained lead levels that exceeded federal safety standards. - correct answer observation In the number 123.45 the 5 is in what place? - correct answer hundredths Scientific notation of 54000 a. 5.4 ×10^4 b. 54 ×10^4 c. 5.4 ×10^3 d. 54* 10^3 - correct answer 5.4* 10...

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4 pages

Written in 2023/2024

Grade A+

Rechga

matter - correct answer anything that takes up space and has mass elements - correct answer matter is composed of what? atoms - correct answer submicroscopic particles, fundamental building blocks of matter, when two or more attach in a specific shape they become molecules composition and the structural arrangement of atoms - correct answer properties of matter are dependent on what two things? physical state (s, l, g) and composition (element, compound, mixture) ...

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5 pages

Written in 2023/2024

Grade A+

Rechga

Atoms are made up of protons, neutrons and electrons. The charge on an electron is ____. - correct answer -1 How many atoms are there in a single molecule of sucrose (C12H22O11)? - correct answer 45 Nitrogen makes _____ bonds - correct answer 3 The geometry about carbon when it makes bonds to four other atoms is ________ - correct answer tetrahedral Which one the following is not an example of a condensation reaction? -The reaction of glucose and fructose to form...

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25 pages

Written in 2023/2024

Grade A+

Rechga

Which of the following is an example of a physical property? a. Ability to change color b. Flammability c. Density d. Solubility Exam 1 - correct answer c. Density Which of the following is evidence of a chemical change? a. Releasing bubbles of gas b. Floating in water c. Crystallization d. Vaporization e. None of the above Exam 1 - correct answer a. Releasing bubbles of gas According to the metric system, 1 m = 0.001 what? a. cm b. mm c. dm d. km e. None of t...

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18 pages

Written in 2023/2024

Grade A+

Rechga