Class IX

To form anion, non-metal atom
  1. looses electrons
  2. gains electron
  3. losses protons
  4. gain protons
Melting point of table salt is
  1. 800°C
  2. 801°C
  3. 901°C
  4. 1000°C
Electron pairs which are not shared by atoms are called
  1. electron pairs
  2. lone pairs
  3. proton pairs
  4. shell pairs
Covalent compound among following is
  1. NaCl
  2. MgO
  3. H2O
  4. KF
When atoms loose or gain electrons they acquire configuration of
  1. Next noble gas
  2. Halogens
  3. Alkali metals
  4. Alkaline metals
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP