Identify three non- metallic elements that: Are gases at room temperatures. Are liquids at room temperatures. Are in Group V. Are in Period 2. Would be related to chlorine. Would have larger atoms...

  1. Identify three non- metallic elements that:
  1. Are gases at room temperatures.
  2. Are liquids at room temperatures.
  3. Are in Group V.
  4. Are in Period 2.
  5. Would be related to chlorine.
  6. Would have larger atoms than those of oxygen. 

Asked on by al0987

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jerichorayel | College Teacher | (Level 2) Senior Educator

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There are 22 non-metallic (non-metals and metalloids) elements existing in nature. They are located on the right side (except for Hydrogen) of the periodic table starting from Boron (group 3A/13) up to the Noble gasses (group 18). To determine the answer based on the criteria, we can have several choices from the 21 elements thereof.

  1. Gasses: Can be any element in the noble gasses group and period 2 elements except C. (N, O, F, He, Ne, Ar, Kr, Xe, Rn, Cl)
  2. Liquids: Cl2 and Br2 can be liquid in room temperature but Cl2 gas tends to vaporize.
  3. Group Va elements are any element in the Nitrogen group. They are N, P and As. As (Arsenic) is a metalloid.
  4. Period 2 elements are any elements in the second period of the table. They are B, C, N, O, F, Ne. Boron (B) is a metalloid.
  5. All halogens are chemically related with chlorine. Halogens are F, Br, I, At. Astatine (At) is a radioactive element.
  6. Any element in the period 3 is larger than Oxygen. P, Cl, Ar, Br are examples of which.
Sources:

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