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Chemistry

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Forensic Duties of a Medical Examiner

In the case of murder, the medical examiner (ME) may be the person who puts forensics to its purest use. An ME uses science to determine the cause, mechanism, and manner of death to help the investigation [more…]

Common Functional Groups in Organic Chemistry

In organic chemistry, functional groups (or reactive centers) are small structural units within molecules that dictate how most of the compound's chemical reactions occur. Know these common functional [more…]

Periodic Table of Elements

If you’re studying organic chemistry, the periodic table is an important tool. The elements and their atomic numbers are listed and grouped together by their properties — making it easier to remember without [more…]

Organic Chemistry I For Dummies Cheat Sheet

You won't get very far in your study of organic chemistry without the periodic table of elements and an understanding of the common functional groups (or reactive centers) that dictate how most of a compound's [more…]

Important Concepts of Organic Chemistry

When you're studying organic chemistry, keep these helpful reminders close by because they highlight some of the most important concepts you'll need to understand organic chemistry: [more…]

Periodic Table of Elements

Studying the elements of the periodic table is vital for understanding organic chemistry. So that you don't have to memorize each element, they're grouped together by their properties. [more…]

Organic Chemistry 1 Workbook For Dummies Cheat Sheet

Get a firm grasp on organic chemistry. Successfully studying organic chemistry means getting to know the elements of the periodic table and the important facts that highlight the fundamentals of organic [more…]

Study Tips for Organic Chemistry II

Organic Chemistry II doesn’t have to be as difficult as you think. Follow these study tips to improve your understanding of organic chemistry, from carbon atom bonds to unnamed reactions, and everything [more…]

Tips for Taking an Organic Chemistry II Exam

Taking an Organic Chemistry II test has a completely deserved reputation for being tough. Make life easier by following these tips before you take your next organic chemistry exam: [more…]

Organic Chemistry II: Directing Groups for Aromatic Systems

In an Organic Chemistry II class you often add groups to aromatic systems. If you’re wondering where the substitution will take place, check out this table for some guidelines. When using this table, remember [more…]

Organic Chemistry II For Dummies Cheat Sheet

Organic Chemistry II is one of the toughest courses you can take. Surviving isn’t easy — you probably know that from your Organic Chemistry I class. Preparation is key: If you study the right way, prepare [more…]

How to Name a Chemical Compound

Someone who doesn't know chemistry might think that compounds should already have names, but you know differently. The following steps take you through the process of building a chemical name, using compound [more…]

How to Balance a Chemical Equation

When you balance equations in chemistry, you change only the coefficients in front of the chemical symbols. Never everchange the subscripts in the chemical compounds. The following steps show the balancing [more…]

Basic Exponential and Scientific Notation for Chemistry

In chemistry, you often use exponential notation, which is simply using exponents to express a number. Scientific notation is a specific form of exponential notation that uses powers of 10, and numbers [more…]

Analyzing Atomic Structure for Chemistry

Chemistry deals with atoms, which are composed of subatomic particles, which differ in mass and charge. Altering the numbers of these particles can alter the element or isotope identity of an atom. The [more…]

Key Chemistry Formulas

In chemistry, you deal with all sorts of substances in all sorts of stages — solid, liquid, and gas. The following list offers some key equivalencies and often-used chemistry formulas: [more…]

Chemistry Workbook For Dummies Cheat Sheet

Getting through a chemistry class involves using a range of different science skills and procedures: You analyze atomic structure, work with formulas, name compounds, use scientific notation, and balance [more…]

Chemical Bonding Basics

In bonding, atoms lose, gain, or share electrons in order to have the same number of electrons as the noble gas that's nearest on the periodic table. Ionic, covalent, and metallic bonds are formed by combinations [more…]

Chemistry Concepts: Energy Levels and Orbitals

A lot of chemistry is explained by the sharing and trading of electrons between atoms. Understanding how electrons are arranged in an atom is a building block of Chem I. [more…]

Digging the Mole Concept in Chemistry

The mole (abbreviate mol and sometimes called Avogadro's number) is a conversion number that allows a chemist or chemistry student to move from the microscopic world of atoms, ions, and molecules to the [more…]

Identifying Isotopes through Representations

In Chem I, you may have to identify isotopes, which are atoms of the same element that have different numbers of neutrons. The following representation allows you to identify a specific isotope of an element [more…]

Common Measurement Conversions for Chemistry

In order to succeed in your Chem I class, you need to have a firm understanding of basic chemistry measurements and how to convert them from one measurement to another. Following are some important conversions [more…]

The Basic Chemistry of Acids and Bases

A lot of chemistry requires you to understand the difference between acids and bases. An acid is a substance that donates an H+ ion to another chemical species called a base. A [more…]

The Combined Gas Law and Ideal Gas Law

When studying the properties of gases, you need to know the relationships between the variables of volume (V), pressure (P), Kelvin temperature (T), and the amount in moles [more…]

Chemistry For Dummies Cheat Sheet

During the first year of high school chemistry or the first semester of college chemistry, all the terms, units of measurement, and atoms, molecules, elements, and compounds may seem a bit overwhelming [more…]

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