1. Answe a. What is the difference
models of Thomson and Rutherford?
b. What is meant by valency of an element?
What is the relationship between the
number of valence electron and valency?
c. What is meant by atomic mass
number ? Explain how the atomic
number and mass number of carbon are
6.
6 and 12 respectively
d. What is meant by subatomic
particle? Give brief information of three
subatomic particles with reference to
electrical charge, mass and location.
Give scientifi​

answer:

gygu hj j uy   b

explanation:

08: 21

read the excerpt from "the tell-tale heart.”

object there was none. passion there was none. i loved the old man. he had never wronged me. he had never given me insult. for his gold i had no desire. i think it was his eye! yes, it was this! he had the eye of a vulture—a pale blue eye, with a film over it. whenever it fell upon me, my blood ran cold; and so by degrees—very gradually—i made up my mind to take the life of the old man, and thus rid myself of the eye forever.  

read the excerpt from "the black cat.”

beneath the pressure of torments such as these, the feeble remnant of the good within me succumbed. evil thoughts became my sole intimates—the darkest and most evil of thoughts. the moodiness of my usual temper increased to hatred of all things and of all mankind; while, from the sudden, frequent, and ungovernable outbursts of a fury to which i now blindly abandoned myself, my uncomplaining wife, alas! was the most usual and the most patient of sufferers.

by revealing the narrator’s deepest thoughts, the author