Atomic Structure

Q.

Question 3
Calculate the number of electrons constituting one coulomb of charge.

Q. Who is known as the father of electricity?

1. Robert Noyce
2. Joseph Charyk
3. Michael Faraday
4. Dr. Michael C.J. Cowpland

Q.

All the electrons of a metal are free to move anywhere inside the metal.

1. True

2. False

Q. Who is known as the father of electricity?

1. Dr. Michael C.J. Cowpland
2. Michael Faraday
3. Robert Noyce
4. Joseph Charyk

Q.

A metal has a large number of electrons but a non-metal has only a small number of electrons.

1. True

2. False

Q. Calculate the no.of atom present in 11.5liters of Hydrogen at N.T.P

Q. Calculate the number of electrons that constitute one coulomb of charge.

1. $120\times {10}^{14}$ electrons
2. $425\times {10}^{16}$ electrons
3. $625\times {10}^{16}$ electrons
4. $500\times {10}^{15}$ electrons

Q.

A very reactive element was taken to the laboratory to observe its atomic structure, which was found to be 11. It was also observed that the first two orbits had 2 and 8 electrons respectively. What are the number of electrons present in the outermost shell?

1. 2

2. 3

3. 1

4. 4

Q.

A metal has a large number of electrons but a non-metal has only a small number of electrons.

1. False

2. True

Q. Match the following inventions with their inventors

1. Electric Motor
2. Electric Bulb
3. Telephone

Q. In the earlier question, the atomic number of the atom is said to be 11. Since we know that the atomic number of the atom represents the number of protons in that atom, the number of electrons in that atom will be ___

Q. In the earlier question, the atomic number of the atom is said to be 11. Since we know that the atomic number of the atom represents the number of protons in that atom, the number of electrons in that atom will be ___

Q.

All the electrons of a metal are free to move anywhere inside the metal.

1. False

2. True

Q. A very reactive element was taken to the laboratory to observe its atomic structure, which was found to be 11. It was also observed that the first two orbits had 2 and 8 electrons respectively. What are the number of electrons present in the outermost shell?

1. 4
2. 2
3. 1
4. 3