Question

Who discovered the proton?
(a) Goldstein (b) J.J. Thomson (c) Neil Bohr (d) Rutherford
iswer Questions
What is the nature of charge on cathode rays?
Give five characteristics of cathode rays.
Che atomic symbol of a phosphorus ion is given as is' p3-
a) How many protons, electrons and neutrons are there in the ion?
b) What is name of the ion?
c) Draw the electronic configuration of the ion.
d) Name the noble gas which has the same electronic configuration as
phosphorus ion has.
Differentiate between shell and subshell with examples
An element has an atomic number 17. How many elec
and M shells of the atom?
ent in​

Answer 1

Answer:

1. D option is my answer

2. charge/mass rAtio of the Ray's is constant. they travel from the cathode to the anode.their properties are independent from the electrodes and gas present in the cathode Ray tube cathode Rays can ionize gas.