1.1.2 Chemical Symbols and Formulae

Cards (46)

  • The chemical symbol for Hydrogen is H.

    True
  • Match the chemical symbol with its element name:
    H ↔️ Hydrogen
    Na ↔️ Sodium
    O ↔️ Oxygen
    Ca ↔️ Calcium
  • Elements in the same group on the Periodic Table share similar chemical properties
  • What do chemical symbols represent in chemistry?
    Atoms of chemical elements
  • What is the chemical symbol for oxygen?
    O
  • What is the Latin name for sodium from which its symbol is derived?
    Natrium
  • Match the chemical symbol with its corresponding use in chemical formulae:
    H ↔️ Hydrogen
    O ↔️ Oxygen
    Na ↔️ Sodium
    Ca ↔️ Calcium
  • The chemical formula for water is H2O
  • Steps to write a chemical formula
    1️⃣ Identify the elements in the compound
    2️⃣ Write the chemical symbols for those elements
    3️⃣ Add subscripts to indicate the number of atoms
  • Elements in the same group share similar chemical properties
  • What are chemical symbols used to represent in chemistry?
    Atoms of chemical elements
  • What is the chemical symbol for Sodium?
    Na
  • The chemical symbol for Oxygen is O.

    True
  • Alkaline Earth Metals are highly reactive non-metals.
    False
  • The chemical symbol for hydrogen is H
  • Chemical symbols are standardized across the world to allow clear communication.

    True
  • Standardized chemical symbols make it easier to refer to elements and their compounds unambiguously.

    True
  • Chemical formulae provide a concise way to communicate the makeup of a compound.

    True
  • What are chemical symbols used for in chemistry?
    Represent atoms of elements
  • The Periodic Table is arranged based on atomic number and chemical properties.

    True
  • What is the Periodic Table a tabular arrangement of?
    Chemical elements
  • Elements in the same period have similar chemical properties.
    False
  • Which group in the Periodic Table consists of inert, non-metallic elements?
    Noble Gases
  • Match the chemical symbol with the element name:
    Na ↔️ Sodium
    Ca ↔️ Calcium
  • Chemical symbols represent individual atoms
  • Coefficients in a chemical formula denote the number of molecules
  • Chemical symbols are usually derived from the element's name in English or Latin
  • The chemical symbol for Sodium is derived from the Latin name Natrium
  • What is the Periodic Table used to organize elements by?
    Atomic number and properties
  • Which group on the Periodic Table contains highly reactive non-metals?
    Halogens
  • What is the chemical symbol for sodium?
    Na
  • The Periodic Table lists each element with its unique chemical symbol
  • What does the chemical formula for water, H2O, indicate about its composition?
    2 H atoms and 1 O atom
  • How do you write a chemical symbol for an element with a two-letter abbreviation?
    Capitalize the first letter
  • Which group in the Periodic Table contains the halogens?
    Group 17
  • The Periodic Table organizes elements based on atomic number and chemical properties.

    True
  • Which group in the Periodic Table contains highly reactive, soft, metallic elements?
    Alkali Metals
  • Chemical symbols are single-letter or two-letter abbreviations for the atoms of chemical elements
  • What do chemical formulae represent in chemistry?
    Composition of compounds
  • Steps to write a chemical formula:
    1️⃣ Identify the elements in the compound
    2️⃣ Write the chemical symbols for those elements
    3️⃣ Add subscripts to indicate the number of atoms