info@avatto.com
+91-9920808017
6. About 88.6% of universe is made up of (NTSE Mizoram, Stage-I, 2012-13)
Helium
Oxygen
Nitrogen
Hydrogen
Your email address will not be published. Required fields are marked *
Report
Name
Email
Website
Save my name, email, and website in this browser for the next time I comment.
Comment
7. Arrange the following atoms in the order of increasing atomic radius F,CI,C,O (NTSE Panchkula, Chandigarh Stage-I, 2012-13)
F,CI,O,C
C,O,F,CI
O,C,F,CI
F,O,C,CI
8. In Modern Periodic Table generally following similarity is found in elements of same group (NTSE Madhya Pradesh, Stage-I, 2012-13)
Atomic number
Number of electrons in outermost orbit of an atom
Number of isotopes
Atomic volume
9. The electronic configuration of four elements a,b,c,d respectively are (a) 1 S2Â Â Â Â Â (b) 1 S22s22p2 (c) 1 S22s22p5 (d) 1 S22s22p6
The tendency to form electrovalent bond will be largest in (NTSE Madhya Pradesh, Stage-I, 2012-13)
(a)
(b)
(c)
(d)
10. Which one of these group of elements is also called the halogen family? (NTSE Mizoram, Stage-I, 2012-13)
Group 16
Group 18
Group 10
Group 17
Login with Facebook
Login with Google
Forgot your password?
Lost your password? Please enter your email address. You will receive mail with link to set new password.
Back to login