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Electronic Configuration and Quantum Numbers

Total questions: 21

Worksheet time: 26mins

Name
Class
Date
1.

This shape is that of a...

a)

s orbital

b)

d orbital

c)

p orbital

d)

f orbital

2.

How many electrons total are found in the f orbital?

a)

2

b)

6

c)

10

d)

14

3.

Which of the following is NOT a possible pair of quantum numbers?

a)

2p

b)

2d

c)

4p

d)

4f

4.

n=4, l=3?

a)

4f

b)

4d

c)

3s

d)

3p

5.

orbital sublevels, or l, implies:

a)

orbital color

b)

electron spin

c)

orbital shape

d)

energy level

6.

This is a ____ orbital

a)

s

b)

d

c)

p

d)

d

7.

n=4, l=3?

a)

4f

b)

4d

c)

3s

d)

3p

8.

How many unpaired electrons does an atom of chromium contain?

this can be tricky...

a)

2

b)

3

c)

4

d)

5

e)

6

9.

What is the maximum number of electrons that contain the values

n=4 l=3

a)

2

b)

6

c)

10

d)

14

e)

18

10.

How many paired electrons are in an atom of Chlorine?

draw the orbital diagram

a)

10

b)

12

c)

14

d)

16

e)

17

11.

Which of the following elements is Paramagnetic?

look at the atomic numbers.

a)

Mg

b)

Ne

c)

P

d)

Ca

e)

Kr

12.

The statement that an electron occupies the lowest available energy orbital is

a)

Hund's Rule

b)

AUfbau principle

c)

Bohr's law

d)

The Pauli Exclusion principle

13.

"Orbitals of equal energy are each occupied by one electron before any is occupied by a second electron, and all electrons in singly occupied orbitals must have the same spin" is a statement of

a)

Hunds rule

b)

The Pauli exclusion Principe

c)

Aufbau principle

d)

The quantum effect

14.

The statement that no two electrons in the same atom can have the same four quantum numbers is

a)

Hunds rule

b)

the Pauli exclusion principle.

c)

Aufbau Principle

d)

Bohr's law

15.
How many valence electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
16.

Which element has 2,8,8 electrons per shell?

a)

Lead

b)

Fluorine

c)

Neon

d)

Argon

17.

Haw many maximum electrons can be present in the "M" shell of an atom?

a)

2

b)

8

c)

18

d)

32

18.

If Kand L shells of an atom are full then how many electrons would the atom have ?

a)

8

b)

10

c)

6

d)

2

19.

What is an orbit ?

a)

An orbit is a part of the proton around the nucleus of an atom.

b)

An orbit is a part of an electron around the nucleus of an atom.

c)

An orbit is a part of the neutron around the nucleus of an atom

d)

An orbit is a part of the nucleons around the nucleus of atom

20.

Which of the following is the electronic Configuration of Sodium

a)

2,8

b)

2,8,1

c)

2,1,8

d)

8,1,2

21.

An atom has atomic number 4 the number of electrons in its outermost orbit will be ?

a)

2

b)

6

c)

4

d)

1