mass no. of potassium and calcium

Asked by  | 20th Feb, 2014, 12:14: PM

Expert Answer:

Mass number of potassium = 39
Mass number of calcium = 40

Answered by  | 20th Feb, 2014, 01:13: PM

Related Videos

Rutherford's Model of an Atom - Part 1

This video explains the gold foil experiment by Rutherford.

Sub-atomic Particles - Part 1

This video explains sub-atomic particles, i.e. proton, electron and neutron...

Bohr's Model and Electronic Configuration

This video explains the Bohr's model of an atom and the electronic configur...

Symbolic Representation

This video explains atomic number, mass number and their symbolic represent...

Rutherford's Model of an Atom - Part 2

This video explains Rutherford's model of an atom and the drawbacks of the ...

Ask Doubt

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.