Chemistry
When a metal atom becomes an ion:
- It loses electrons and is oxidized.
- It gains electrons and is reduced.
- It gains electrons and is oxidized
- It loses electrons and is reduced.
Related Questions
In the formation of CCl4 molecule, the nearest noble gas configuration attained by carbon and chlorine respectively are :
- Argon and neon
- Helium and neon
- Neon and argon
- Helium and argon
The characteristic of an electrovalent compound is that :
- It is formed by sharing of electrons
- It is formed between metals and non-metals
- It is formed between two non-metals
- It often exists as a liquid.
An element Y has 2 electrons in the 2nd orbit and X has 7 electrons in its 3rd orbit. The compound formed between them has the formula:
- XY2
- YX2
- YX
- Y7X2
An atom is neutral, its nucleus contains:
P — Negatively charged particles.
Q — Neutral particles.
R — Positively charged particles.
- Only P
- Only Q
- Only R
- Both Q and R