Orbits

Q.

What is the path taken by the electron during its trajectory around the nucleus called?

1. orbital

2. orbit

3. shell

4. circles

Q.

Why is the electronic configuration of potassium 2, 8, 8, 1 and not 2, 8, 9

Q.

Which one of the following is the correct electronic configuration of sodium?

1. $2,8$

2. $8,2,1$

3. $2,1,8$

4. $2,8,1$

Q.

Write the electronic configuration of a chlorine atom.

Q. What is the number of electrons in the L shell of sodium atom?

1. 2
2. 1
3. 4
4. 8

Q.

Millikans oil drop experiment establish ___________

Q.

Write the electronic configuration of the following of the following element:

${}_{17}{}^{35}\mathrm{Cl}$

Q. In Bohr’s model of an atom, negatively charged electrons travel around the positively charged nucleus in the orbital paths, similar to the path of the planets around the sun.

1. True
2. False

Q.

Write the electronic configuration of the hydrogen.

Q. Q21. (a) The 4f sub shell of an atom contains 12 electronsVhat is the maximum number of electrons havingthe same spin in it?(b) f M has electronic configuration \lbrack Ar\rbrack 3d then write the configuration of M atom.(c) Write the electronic configuration of the atom with atomic number29.OR

Q. Who is Chadwick

Q.

Centre of an atom is known as _______.

Q.

___ is the fixed path the electron takes while revolving around the nucleus

1. Circle

2. Orbit

3. Orbital

4. Shell

Q. The given diagram shows the structure of atom with 10 protons and 10 neutrons. Electrons are in their respective shells and the electronic configuration is 2, 8. Which element does the diagram represent?

1. Neon
2. Sodium
3. Magnesium
4. Silicon

Q. An atom of an element has two electrons in the M shell. If M is the outermost shell, what is the atomic number of that element?

1. 10
2. 12
3. 8
4. 2

Q. The element aluminium is found in the _____ mineral.

1. Smithsonite
2. Bauxite
3. Siderite
4. Magnetite

Q. An element has electronic configuration 2, 8, 13, 2 the no. Of electrons in the element having l = 0

Q. Atomic number -64. Electronic configuration.

Q.

The electronic structure (configuration) of fluorine can be written as 2, 7. In a similar way give the electronic configuration of:

Potassium

Q. How does the electronic configuration of an atom related to its position in the modern periodic table?

Q.

Write down the electronic configuration of hydrogen.

Q.

Choose the correct option:

Which of the following is the correct electronic configuration of potassium.

1. 2, 8, 9

2. 8, 2, 9

3. 2, 8, 8, 1

4. 1, 2, 8, 8

Q.

For production of characteristics $K_{\beta }$ X-ray, the electron transition will be :-

1. n = 2 to n = 1

2. n = 3 to n = 2

3. n = 3 to n = 1

4. n = 4 to n = 2

Q.

Write the electronic configuration of argon

Q.

If we give or take energy to an electron can it jump to a higher shell or to lower shell leaving it's own position

Q. The electrons revolve around the nucleus only in certain fixed paths called:

1. layer
2. orbitals
3. orbits
4. center

Q.

Write the electronic configuration of Phosphorus.

Q.

The electronic configuration of an element with an atomic number 12 is ________ .

1. 2, 6, 6

2. 1, 3, 8

3. 2, 10

4. 2, 8, 2

Q.

Why is electronic configuration?

Q. It is possible to write down the electronic configuration of an atom if we know its atomic numbers. Why this is so?