MCQ
Which of the following configuration will form a cation:
- A2, 8, 7
- B2, 7
- C2, 8, 8
- D2, 8, 2
✓
Answer
- 2, 8, 2
Explanation:
The electronic configuration of 2, 8, 2 will lose two electrons to become positively charged ion i.e cation.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Higher the frequency of a musical sound, _______ is its pitch:
A girl weighing 400N climbs a vertical ladder. If the value of g be 10ms2, the work done by her after climbing 2m will be:
The boiling point of liquid argon is:
- -196°C
- -183°C
- -186°C
- -193°C
In the given figure, which of the following parts transmits impulse away from the cell body?
Areolar connective tissue is found around:
Barium chloride reacts with sodium sulphate to form Barium sulphate and sodium chloride. Then, according to the law of conservation of mass:
In the bell jar experiment, as air is removed from the jar:
The value of g on the surface of moon is:
Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, non-cellular structure called the:
- Nonstratified layer.
- Stratified membrane.
- Basement membrane.
- Fibroblast.
The frequency of sound waves in water is: