Answer:
D
Explanation:
The nuclear model of the atom was proposed by Ernest Rutherford.
In his submission, the atom consists of a dense positive nucleus with electrons moving round this nucleus as planets move round the sun. He likened his model to the solar system. The nucleus is at the center of this system just as the sun is at the center of the solar system.
Molecular mass= (14.01∗1)+(1.008∗3)
14.01+3.024=17.03g/mol
Answer: The force of attraction occurring between two masses.
