Chem 101 Vocab

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Last updated 3:45 AM on 1/15/25
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7 Terms

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First ten elements and their symbols

  1. Hydrogen - H

  2. Helium - He

  3. Lithium - Li

  4. Beryllium - Be

  5. Boron - Be

  6. Carbon - C

  7. Nitrogen - N

  8. Oxygen - O

  9. Fluorine - F

  10. Neon - Ne

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Second ten elements and their symbols

  1. Sodium - Na

  2. Magnesium - Mg

  3. Aluminum - Al

  4. Silicon - Si

  5. Phosphorus - P

  6. Sulfur - S

  7. Chlorine - Cl

  8. Argon - Ar

  9. Potassium - K

  10. Calcium - Ca

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Other VIIA elements and their symbols

  • Bromine - Br

  • Copper - Cu

  • Gold - Au

  • Iron - Fe

  • Lead - Pb

  • Manganese - Mn

  • Iodine - I

  • Mercury - Hg

  • Nickel - Ni

  • Platinum - Pt

  • Silver - Ag

  • Zinc - Zn

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What elements exist as diatomic molecules?

  • Hydrogen - H2

  • Nitrogen - N2

  • Oxygen - O2

  • the halogens - F2, Cl2, Br2, I2

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What are the halogens?

  • Highly reactive, forms salt, group 17

  • F2, Cl2, Br2, I2

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Strong acids

  • hydrochloric acid - HCl

  • hydrobromic acid - HBr

  • Hydroiodic acid - HI

  • Sulfuric acid - H2SO4

  • Nitric acid - HNO3

  • Perchloric acid - HClO4

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Other 4 important molecules

  • water - H2O

  • ammonia - NH3

  • carbon dioxide - CO2

  • methane - CH4