Q. 34.0( 3 Votes )

Elements have been arranged in the following sequence on the basis of their increasing atomic masses.

F, Na, Mg, Al, Si, P, S, Cl, Ar, K

i. Pick two sets of elements which have similar properties.

ii. The given sequence represents which law of classification of elements?

Answer :

i. Na and K -Alkaline Metals

F and Cl- Halogens

Explanation: Na and K of group 1 are called alkaline metals and share the same properties. They are highly metallic and have large atomic sizes.

F and Cl are halogens of group 7. They are all gases and are highly electronegative with small atomic sizes.

ii. The given sequence represents the periodic law.

Explanation: According to the periodic law, the elements are arranged according to the increasing order of atomic masses. Since in the given sequence elements are arranged according to that we can apply this law here.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Genius Quiz | Alphabet Test and Alphanumeric Series49 mins
Alphabet Test46 mins
ScoreUp - A Year Long Foundation Course for Class 1024 mins
Champ Quiz | Alphabet Test47 mins
What is a DNA Test ??38 mins
Quiz | Test Your Speed and AccuracyFREE Class
GTSE Sample Paper & Imp Q. Discussion35 mins
GTSE Sample Paper & Imp Q. Discussion28 mins
Sample Paper Discussion43 mins
What is a DNA Test38 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses