UrbanPro

Take Class 12 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

What are Dobereiner’s triads? Name two such triads.

Asked by Last Modified  

Follow 0
Answer

Please enter your answer

It means the arrangement of elements of periodic table in such a way that the sum of mass of first and third element is equal to twice of secound.These triads have similar properties.
Comments

Related Questions

How do I get 90+ in class 12 maths without coaching?
On the presumption that you have enough zest and zeal to excel in the mathematics,you can very well score 90+ through meticulous planning. For every chapter, one need to recapitulate that read in class...
Ashok
0 0
6
How do I get 90+ in class 12 physics without coaching?
Completely focus on NCERT and see previous question papers also.
Venkataramanaiah
What if I change my coaching institute for my class 12 JEE preparation (I'm now in 11th)?
It depends upon the coaching centre and your comfort of getting the subject
Latha
0 0
5
Define the following:
(i) First law of thermodynamics.
(ii) Standard enthalpy of formation.
The First Law of Thermodynamics It specifies that energy is recollected. According to it, the energy is never made nor extinguished but it can be altered. The quantity of energy lost by a system will...
Ashwini
0 0
5

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons


Redox Reactions
• OxidationOxidation is defined as the addition of oxygen/electronegative element to a substance or removal of hydrogen/ electropositive element from a substance.For example,• ReductionThe reduction...

Learn how to learn Chemistry
I suppose many of you have been through the latest web series KOTA FACTORY were some struggles that students face with Chemistry have been very aptly portrayed. The honest approach of the students regarding...
R

CONCEPT OF HYBRIDIZATION
Hybridisation is a hypothetical concept which explains about the formation and structure of molecules. Defination - the intermixing of atomic orbitals to produce symmetrical low energy containg hybrid...

Inert Pair Effect
On moving down in a group in p-block the higher valency becomes less stable and lower valencies become more stable. For example: Stability : C+4 > Si+4 > Ge+4 > Sn+4 > Pb+4 ...

Recommended Articles

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Urmila is a passionate teacher with over 8 years of experience in teaching. She is currently pursuing her Ph. D. She provides classes for Class 11, Class 12, MBBS and Medical tuition.  Urmila began her career in teaching long before she became a teacher. She used to provide classes for foreign national students in her college...

Read full article >

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 12 Tuition Classes?

The best tutors for Class 12 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 12 Tuition with the Best Tutors

The best Tutors for Class 12 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more