Sign Up

Captcha Click on image to update the captcha.

Have an account? Sign In Now

Sign In

Captcha Click on image to update the captcha.

Forgot Password?

Don't have account, Sign Up Here

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Captcha Click on image to update the captcha.

Have an account? Sign In Now

You must login to ask question.

Captcha Click on image to update the captcha.

Forgot Password?

Need An Account, Sign Up Here

You must login to ask question.

Captcha Click on image to update the captcha.

Forgot Password?

Need An Account, Sign Up Here
Sign InSign Up

Tiwari Academy Discussion

Tiwari Academy Discussion Logo Tiwari Academy Discussion Logo

Tiwari Academy Discussion Navigation

  • NCERT Solutions
  • NCERT Books
  • CBSE Syllabus
  • Tutors
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • NCERT Solutions
  • NCERT Books
  • CBSE Syllabus
  • Tutors

Amit Bhandari

Ask Amit Bhandari
0Followers
0Questions
Home/ Amit Bhandari/Answers
  • About
  • Questions
  • Polls
  • Answers
  • Best Answers
  • Followed Questions
  • Favorite Questions
  • Groups
  1. Asked: October 21, 2020In: Class 10

    Name two elements that have two electrons in their outermost shells.

    Amit Bhandari
    Added an answer on January 13, 2021 at 3:30 pm

    Be and Ca

    Be and Ca

    See less
    • 5
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  2. Asked: October 21, 2020In: Class 10

    Name three elements that have a single electron in their outermost shells.

    Amit Bhandari
    Added an answer on January 13, 2021 at 3:20 pm

    All first group elements like Li, Na, K, etc.

    All first group elements like Li, Na, K, etc.

    See less
    • 5
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  3. Asked: October 21, 2020In: Class 10

    Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?

    Amit Bhandari
    Added an answer on January 13, 2021 at 3:09 pm

    Be and Ca Same group Same chemical property Two electron in outmost shell.

    Be and Ca

    • Same group
    • Same chemical property
    • Two electron in outmost shell.
    See less
    • 5
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  4. Asked: October 21, 2020In: Class 10

    How could the Modern Periodic Table remove various anomalies of Mendeléev’s Periodic Table?

    Amit Bhandari
    Added an answer on January 13, 2021 at 2:45 pm

    Isotopes problem is solved. Noble gases which are discovered later placed separately. Atomic numbers are now increasing in regular way.

    • Isotopes problem is solved.
    • Noble gases which are discovered later placed separately.
    • Atomic numbers are now increasing in regular way.
    See less
    • 8
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  5. Asked: December 21, 2020In: Class 10 Science

    Name the elements that separated the metals and non-metals in periodic table.

    Amit Bhandari
    Added an answer on January 1, 2021 at 5:35 pm

    Metalloids separates metals and non-metals.

    Metalloids separates metals and non-metals.

    See less
    • 2
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  6. Asked: December 23, 2020In: Class 10 Science

    Fill in the blanks: The basis of modern Periodic table is _______________

    Amit Bhandari
    Added an answer on January 1, 2021 at 5:17 pm

    Properties of elements are periodic function of their atomic number.

    Properties of elements are periodic function of their atomic number.

    See less
    • 2
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  7. Asked: December 23, 2020In: Class 10 Science

    Fill in the blanks: Group 17 elements are called ______________

    Amit Bhandari
    Added an answer on January 1, 2021 at 5:14 pm

    Yes it halogen.

    Yes it halogen.

    See less
    • 0
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  8. Asked: October 21, 2020In: Class 10

    Why do you think the noble gases are placed in a separate group?

    Amit Bhandari
    Added an answer on January 1, 2021 at 4:57 pm

    These are least reactive gasses.

    These are least reactive gasses.

    See less
    • 23
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  9. Asked: October 21, 2020In: Class 10

    What were the criteria used by Mendeleev in creating his Periodic Table?

    Amit Bhandari
    Added an answer on January 1, 2021 at 4:45 pm

    1. When Mendeléev started his work, 63 elements were known. 2. He examined the relationship between the atomic masses of the elements and their physical and chemical properties.

    1. When Mendeléev started his work, 63 elements were known.
    2. He examined the relationship between the atomic masses of the elements and their physical and chemical properties.

    See less
    • 23
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
  10. Asked: October 21, 2020In: Class 10

    Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)

    Amit Bhandari
    Added an answer on January 1, 2021 at 4:16 pm

    In NCERT Gallium, Scandium and Germanium are given but more elements are there which are discovered later.

    In NCERT Gallium, Scandium and Germanium are given but more elements are there which are discovered later.

    See less
    • 6
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
1 2

Sidebar

Ask A Question

Subscribe

  • Popular
  • Answers
  • Mrinal Garg

    Which is the best website providing NCERT Solutions?

    • 100 Answers
  • Amit Sharma

    What would be the CBSE Exam 2022-2023 Date Sheet for ...

    • 26 Answers
  • Richa

    NCERT Books

    • 24 Answers
  • Nitin 44

    पुराने सिक्के खरीदने वाले के व्हाट्सएप नंबर क्या है?

    • 24 Answers
  • manishq1

    Where can I get NCERT books in PDF format?

    • 22 Answers
  • ballu
    ballu added an answer Accidentally spilling soapy water on a marble floor would generally… November 30, 2023 at 12:14 pm
  • R k Parsad
    R k Parsad added an answer (i) The substance used for whitewashing is calcium oxide, commonly… November 30, 2023 at 12:14 pm
  • ballu
    ballu added an answer Athletes utilize shoes equipped with spikes to enhance their performance… November 30, 2023 at 12:14 pm
  • ballu
    ballu added an answer Seema, pushing the heavier box, will need to apply a… November 30, 2023 at 12:14 pm
  • ballu
    ballu added an answer The difference between static and sliding friction arises from the… November 30, 2023 at 12:14 pm

Explore

  • Home
  • Questions

© 2023 Tiwari Academy. All Rights Reserved