Question

A) Rutherford's alpha parcticle scattering experiment led to the discovery of the ______
B) Isotopes have same________ but different _______C) Neon and chlorine have atomic numbers 10 and 17 respectively. Their valencies will be _________and ______________D) An atom with 3 protons and 4 neutrons will have a valency of_________

Answer 1

A) Rutherford's alpha parcticle scattering experiment led to the discovery of the nucleus.

B) Isotopes have same atomic number but different mass number.

C) Neon and chlorine have atomic numbers 10 and 17 respectively. Their valencies will be 0 and -1.

D) An atom with 3 protons and 4 neutrons will have a valency of +1.