Chemistry
An element 'A' has 15 electrons and 16 neutrons. The correct representation of this element is:
- 1615A
- 3116A
- 3115A
- 1516A
Related Questions
The number of valence electrons in Cl- ion is:
- 16
- 8
- 17
- 18
The correct electronic configuration of Fluorine is:
- 2, 8
- 8, 2, 1
- 7, 2
- 2, 7
An atom having 3 protons and 4 neutrons will have a valency of :
- 3
- 7
- 1
- 4
Elements with valency 2 are:
- Always metals
- Always non-metals
- Can be metals or non-metals
- Metalloids (semi metals)