Download App

Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
Number of valence electrons present in N3- ion is:
  • A
    16
  • B
    10
  • C
    7
  • D
    4
✓

Answer

16
Explanation:There are 16 valence electrons for the Lewis structure for N3.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Structure of the Atom→Structure of the Atom — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Centrosome occurs in:

  1. Plant cell.
  2. Animal cell.
  3. Animal cells and some lower plant cells.
  4. All the above.
→
The number of Al3+ ions in 0.051g of aluminium oxide are (Atomic mass of Al = 27u, O = 16u).
→
Which of the following statements is not true for Nostoc:
→

What is weathering? Elucidate in the various types of weathering.

→
Which of the following does not match the characteristics of an Isotope?
→
The cell sap in plant cells consists of:
→
Which of the following is not correct about evaporation?
→
Cells were determined to be the basic structural units of plants and animals, in which of the following time period?
→
What determine the nature of the path followed by the particle:
→
Which of the following is not true for Universal law of gravitation:
→