Electrons in atoms

Question 1

Describe behaviour of protons, nuetrons and electrons in electric fields.

Answer 1

Negatively charged electron is attracted towards positive plate. Nuetrons has no charge and is unaffected by charged field.
Positively charged proton is attracted towards negative plate. It is deflected less than an electron as it has larger mass.

Question 2

state what is meant by proton atomic number?

Answer 2

Z is the number of protons in nucleus.

Question 3

What is meant by nucleon number?

Answer 3

A is the total number of protons and nuetrons in nucleus of atom.

Question 4

What is meant by term isotope?

Answer 4

Isotopes are atoms with same no. of protons but different number of nuetrons.