Question

please solve it

Q.1 write true or false and rewrite the statement if false
A. Rutherford fired fast moving alpha particles at a very thin sheet of gold foil.
B. According to Neil's bohr concept of the structure of an atom, the nucleus of an atom contains neutrons
C.atomic number is also known as proton number.
D. Mass number of an atom is represented by the letter M

Q.2 Answer these questions-
A. What is the number of valence electrons in
i. Helium
ii. Oxygen
III. Calcium
IV. Chlorine
B. What is the electronic configuration of argon , calcium , chlorine, boron, beryllium , hydrogen
C. An element X has the atomic no. 17-
I. What is its electronic configuration
II. What is the number of valence electrons in its atoms
III. Define it's valency
IV. Is it a metal or a non metal
V. will it form an anion or a cation?​

Answer 1

Answer:

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Answer 2

Answer:

ok i will answer wait a minute