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Which is not a type of elements ?

  • Metals
  • Non Metals
  • Metalloids
  • Gases
Similar Questions :

1. The oxide of Nitrogen used in medicine as anaesthetic is ?

  • Nitrogen pentoxide
  • Nitrous oxide
  • Nitric oxide
  • Nitrogen dioxide

2. Identify the wrong statement in the following

  • Atomic radius of the elements increases as one moves down the first group of the periodic table
  • Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the
  • Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
  • Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius

3. Oxides of metals are alkaline.

  • TRUE
  • FALSE

4. The most abundant element in the earth's crust is ?

  • Aluminium
  • Nitrogen
  • Silicon
  • Oxygen

5. Human bone does not contain

  • calcium
  • carbon
  • oxygen
  • phosphorous
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