Chemistry: First 20 Elements Flashcards
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Chemistry: First 20 Elements Flashcards

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Questions and Answers

What is the number of protons in Hydrogen?

  • 1 (correct)
  • 0
  • 3
  • 2
  • How many protons does Helium have?

    2

    How many neutrons are in Lithium?

    4

    What is the electron count for Beryllium?

    <p>4</p> Signup and view all the answers

    How many electrons does Boron have?

    <p>5</p> Signup and view all the answers

    What is the neutron count in Carbon?

    <p>6</p> Signup and view all the answers

    How many protons and electrons does Nitrogen have?

    <p>7</p> Signup and view all the answers

    What is the total number of neutrons in Oxygen?

    <p>8</p> Signup and view all the answers

    What is the electron count for Fluorine?

    <p>9</p> Signup and view all the answers

    How many protons are present in Neon?

    <p>10</p> Signup and view all the answers

    Sodium has how many neutrons?

    <p>12</p> Signup and view all the answers

    What is the electron count for Magnesium?

    <p>12</p> Signup and view all the answers

    How many neutrons does Aluminium have?

    <p>14</p> Signup and view all the answers

    What is the number of protons in Silicon?

    <p>14</p> Signup and view all the answers

    Phosphorus has how many electrons?

    <p>15</p> Signup and view all the answers

    What is the neutron count in Sulfur?

    <p>16</p> Signup and view all the answers

    How many protons does Chlorine have?

    <p>17</p> Signup and view all the answers

    What is the number of neutrons in Argon?

    <p>22</p> Signup and view all the answers

    Potassium has how many protons?

    <p>19</p> Signup and view all the answers

    How many neutrons does Calcium have?

    <p>20</p> Signup and view all the answers

    Study Notes

    First 20 Elements Overview

    • Hydrogen (H): Simplest element with 1 proton, 1 electron, and no neutrons.
    • Helium (He): Light noble gas consisting of 2 protons, 2 electrons, and 2 neutrons.
    • Lithium (Li): Alkali metal featuring 3 protons, 3 electrons, and 4 neutrons.
    • Beryllium (Be): Alkaline earth metal with 4 protons, 4 electrons, and 5 neutrons.
    • Boron (B): A metalloid comprising 5 protons, 5 electrons, and 6 neutrons.
    • Carbon (C): Fundamental element for life, consisting of 6 protons, 6 electrons, and 6 neutrons.
    • Nitrogen (N): Essential component of amino acids; has 7 protons, 7 electrons, and 7 neutrons.
    • Oxygen (O): Vital for respiration; contains 8 protons, 8 electrons, and 8 neutrons.
    • Fluorine (F): Reactive halogen with 9 protons, 9 electrons, and 10 neutrons.
    • Neon (Ne): Inert noble gas with 10 protons, 10 electrons, and 10 neutrons.

    Continued Element Breakdown

    • Sodium (Na): An alkali metal featuring 11 protons, 11 electrons, and 12 neutrons.
    • Magnesium (Mg): An alkaline earth metal with 12 protons, 12 electrons, and 12 neutrons.
    • Aluminium (Al): Common metal comprising 13 protons, 13 electrons, and 14 neutrons.
    • Silicon (Si): A key semiconductor material with 14 protons, 14 electrons, and 14 neutrons.
    • Phosphorus (P): Important for DNA and energy transfer; contains 15 protons, 15 electrons, and 16 neutrons.
    • Sulfur (S): Essential for certain amino acids, featuring 16 protons, 16 electrons, and 16 neutrons.
    • Chlorine (Cl): Reactive halogen with 17 protons, 17 electrons, and 18 neutrons.
    • Argon (Ar): A colorless noble gas with 18 protons, 18 electrons, and 22 neutrons.
    • Potassium (K): Key mineral for biological functions; includes 19 protons, 19 electrons, and 20 neutrons.
    • Calcium (Ca): Crucial for bones and teeth, comprising 20 protons, 20 electrons, and 20 neutrons.

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    Description

    Explore the basics of the first 20 elements in this chemistry quiz. Each card provides essential information including the number of protons, electrons, and neutrons for each element. Perfect for students looking to enhance their understanding of atomic structure.

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