Class X

Element X forms a chloride with the formula XCl2, which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as
  1. Na
  2. Mg
  3. AI
  4. Si
14 elements after actinium is called
  1. Lanthanides
  2. Actinides
  3. D-block elements
  4. P block elements
Which is not true about the noble gases?
  1. They are non metallic in nature
  2. They exist in atomic form
  3. They are radioactive in nature
  4. Xenon is the most reactive among these
Mendeleev’s periodic table is based on the
  1. Atomic weight
  2. Atomic number
  3. Atomic radius
  4. ) Atomic volume.
Which is not true about the noble gases?
  1. They are non metallic in nature
  2. They exist in atomic form
  3. They are radioactive in nature
  4. Xenon is the most reactive among these
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