02: atomic structure

Question 1

what is the angle of deflection formula?

Answer 1

angle of deflection proportional to (mod(charge)/ mass)

Question 2

proton number

Answer 2

proton number is the number of protons present in the nucleus of an atom

Question 3

nucleon number

Answer 3

nucleon number is the number of protons plus neutrons present in the nucleus of an atom

Question 4

isotopes

Answer 4

isotopes are atoms of the same element with the same atomic number (no. of protons) but different nucleon number (number of neutrons)

Question 5

first ionisation energy

Answer 5

first IE is the energy change when one mole of electrons is removed from one mole of gaseous atoms to form one mole of gaseous singly charged cations.
X (g) = X+ (g) + e-

Question 6

second ionisation energy

Answer 6

second IE is the energy change when one mole of electrons is removes from one mole of gaseous singly charged cation to form one mole of gaseous doubly charged cations
X+ (g) = X2+ (g) + e-