"Pure substance is it a compound or an element" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 8 of 50 - About 500 Essays
  • Good Essays

    Compounds First to define the word‚ compounds are pure substances made up of atoms of two or more elements chemically combined together in fixed ratios determined by mass. When a compound is formed from its components‚ a chemical change takes place through chemical reactions. Elements form compounds to become more stable‚ which happens when the maximum number of possible electrons are in the outermost energy level. Carbohydrates: A carbohydrate is one of the elements of the 5 major compounds

    Premium Carbohydrate Nutrition Blood sugar

    • 428 Words
    • 2 Pages
    Good Essays
  • Better Essays

    Substance Abuse

    • 1858 Words
    • 8 Pages

    Substance abuse is a growing problem that not only affects the person who is abusing alcohol or drugs but affects the lives of those who are close to the abuser. Substance abuse is the abuse of any substance. A drug is a substance that modifies one or more of the body’s functions when it is consumed. Everything from over-the-counter pain medication‚ to opiates‚ prescription drugs such as Oxycontin‚ alcohol‚ cocaine‚ heroin and even coffee can be abused in one way or another. The two main substances

    Premium Addiction Drug addiction Heroin

    • 1858 Words
    • 8 Pages
    Better Essays
  • Better Essays

    LU 1 - Tutorial 1. Write the formulas for the following compounds: Compound Copper (II) chloride Iron(II) sulphate Sodium sulphate Ammonium nitrate Sodium nitrite Potassium sulphate Magnesium phosphate Formula Compound Lithium acetate Manganese (IV) nitrate Potassium permanganate Iron (III) oxide Potassium sulphite Potassium hydrogen carbonate Sodium iodate Formula 2. Express the following numbers in scientific notation: a) 0.000000027 b) 356 c) 47 764 d) 0.096 3. Express the following numbers

    Premium Chemistry Water Sulfuric acid

    • 1099 Words
    • 5 Pages
    Better Essays
  • Good Essays

    Naming of Ionic Compound

    • 931 Words
    • 4 Pages

    Nomenclature for Ionic Compounds Ionic compounds consist of cations (positive ions) and anions (negative ions). The nomenclature‚ or naming‚ of ionic compounds is based on the names of the component ions. Here are the principal naming conventions for ionic compounds‚ along with examples to show how they are used: Roman NumeralsA Roman numeral in parentheses‚ followed by the name of the element‚ is used for elements that can form more than one positive ion. This is usually seen with metals. You

    Premium Ion Molecule

    • 931 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Compound Words

    • 665 Words
    • 3 Pages

    HOLIDAY HOMEWORK CLASS – VIII English Story Book Reading : The Little Prince. Written Assignment based on Reading : (Literature Exercise Book) Mention the qualities of The Little Prince that highlights the story. What values do you learn from these qualities that will help you in your life and lead you to write and build the story of your life. Bengali (2nd Language) 1. Write down any incident of your childhood with illustration (within 150 words) 2. Write down one paragraph about “Products

    Premium Word processor Mergers and acquisitions Document

    • 665 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Covalent Compound: Cocaine Cocaine‚ also known as coke‚ is a covalent compound‚ which are molecules that consist of groups of atoms held together by covalent or coordinate bonds. In the United States cocaine is an illegal drug because of the harm it does to a human’s body. It has been used for many years for many different reasons by many different people. Cocaine and it’s leaves‚ which are found on the plant of the Erythroxylen coca (cocaine.org)‚ originated by the South American Indians who have

    Premium Cocaine Drug addiction Dopamine

    • 672 Words
    • 3 Pages
    Good Essays
  • Powerful Essays

    Chromatography • • • Separation based on polarity of compounds Two potential phases for a compound to exist in: mobile and stationary Partitioning of compounds between mobile phase and stationary phase occurs: o Compounds that are less polar move more in the mobile phase‚ those that are more polar “stick” more on the stationary phase o These polarity differences cause compounds move at different rates and therefore can be separated 1. Mobile Phase: the phase the moves; can be gas or

    Premium Chromatography Solubility Gas

    • 1503 Words
    • 7 Pages
    Powerful Essays
  • Better Essays

    Substance Abuse

    • 2683 Words
    • 11 Pages

    Substance abuse- Inhalants The term substance refers to chemical compound that are ingested in order to alter mood or behavior. Substance use: It is the ingestion of psycho active substance (which alters mood or behavior) in moderate amount that does not significantly interfere with social‚ educational or occupational functioning. Eg: Drinking a cup of coffee in the morning in order to wake up. Substance intoxication: It means our physiological reaction to ingested substances that is getting high

    Premium

    • 2683 Words
    • 11 Pages
    Better Essays
  • Good Essays

    Compound Light Microscope

    • 901 Words
    • 4 Pages

    together Wavelength: the distance between similar points along a wave Compound light microscope: is an optical instrument comprised of more than one lens and uses light to illuminate the object under study Electron microscope: can provide magnifications in the vicinity of 1 to 2 million power Cell: is a fundamental anatomic until in which all life is contained 2. List and describe the features of four different types of compound light microscopes. Bright field Microscope: Field is bright wit

    Premium Microscope Optics Telescope

    • 901 Words
    • 4 Pages
    Good Essays
  • Powerful Essays

    RESEARCH OF SUBSTANCE ABUSE AND NURSING A major health problem in the United States is substance abuse. Substance abuse is the misuse of‚ illegal drugs‚ alcohol‚ inhalants prescription drugs‚ and other substances that change how the mind and body work. Drugs that are most commonly abused are alcohol‚ nicotine‚ marijuana‚ amphetamines‚ barbiturates‚ cocaine‚ opium alkaloids‚ and synthetic opioid. These drugs are either excessively used or not used for its intended purpose. Substance abuse transcends

    Premium Drug addiction Addiction United States

    • 2435 Words
    • 10 Pages
    Powerful Essays
Page 1 5 6 7 8 9 10 11 12 50