Chemistry
Grade-7
Easy

Question

___________are elements that receive or gain electrons to produce negative ions.

  1. Non-metals
  2. Metals
  3. Metalloids
  4. Noble gases

hintHint:

Hydrogen, chlorine, fluorine, carbon, nitrogen, phosphorus, and selenium are some examples for non-metals

The correct answer is: Non-metals


    • A non-metal is one that lacks all metallic properties.
    • They are excellent thermal and electrical insulators.
    • Most are gases, some are liquids. Some of these are solid even at room temperatures, such as carbon, sulfur, and phosphorus.
    • Non-metals are characterized by high ionization energy and high electronegativity. Because of these properties, nonmetals usually gain electrons when reacting with other compounds to form covalent bonds.
    • An element that receives or gains electrons to generate negative ions.

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