Category: Chemistry

No.	Topics.	No.	Topics.
1.	ALCOHOLS AND PHENOLS	2.	ALDEHYDES & KETONES
3.	ALKYL HALIDES	4.	ATONTIC STRUCTURE
5.	CARBOXYLIC ACIDS	6.	CHEMICAL BONDING
7.	CHEMISTRY OF HYDROCARBONS	8.	CHETVI ICAL EQUI LIBIRIUM
9.	ELECTROCHE]VIISTRY	10.	FUNDAMENTAL CONCEPTS OF CHEMISTRY
11.	FUNDAMENTAL PRICIPLES OF ORGANIC CHEMISTRY	12.	GASES
13.	INDUSTRIAL CHEMISTRY	14.	LIQUIDS
15.	Macro Mulecule	16.	REACTION KINETICS
17.	S AND P BLOCK ELEMNETS	18.	SOLIDS
19.	THERMOCHEMISTRY & ENERGETICS OF CHEMICAL REACTIONS	20.	TRANSITION ELEMENTS

What is the ground state electron configuration for a neutral atom of Gallium (Ga, Z=31)?

[Ar]4s23d104p1.
[Ar]3d104s24p1.
[Kr]4s23d104p1.
1s22s22p63s23p63d104p1.

ATONTIC STRUCTURE

The electron configuration of an atom provides insight into its position in the:

Solar system.
Universe.
Periodic table.
Nucleus.

ATONTIC STRUCTURE

The concept of “spin-orbit coupling” is a more advanced aspect of orbitals that explains:

Magnetic properties of materials.
Fine structure in atomic spectra.
Chemical bond formation.
Nuclear reactions.

ATONTIC STRUCTURE

Which of the following elements has a 3d subshell that is completely filled?

Chromium.
Manganese.
Zinc.
Iron.

ATONTIC STRUCTURE

Which of the following orbitals would be filled last when drawing an electron configuration for a heavy atom (by Aufbau)?

5f.
6d.
7s.
7p.

ATONTIC STRUCTURE

The total number of nodes in an orbital is equal to:

n.
l.
n?1.
n?l?1.

ATONTIC STRUCTURE

What is the maximum number of electrons in a subshell where l=3?

1
6
10
14

ATONTIC STRUCTURE

The term “degeneracy” for orbitals means they have the same:

Shape.
Size.
Energy.
Orientation.

ATONTIC STRUCTURE

What is the maximum number of electrons in a subshell where l=2?

1
6
10
14

ATONTIC STRUCTURE

What is the maximum number of electrons in a subshell where l=1?

1
2
6
10

ATONTIC STRUCTURE

What is the maximum number of electrons in a subshell where l=0?

1
2
6
10

ATONTIC STRUCTURE

Which of the following would be paramagnetic?

Magnesium.
Zinc.
Carbon.
Argon.

ATONTIC STRUCTURE

Which of the following would be diamagnetic?

Oxygen.
Nitrogen.
Neon.
Iron.

ATONTIC STRUCTURE

The concept of “paramagnetism” is related to the presence of:

Paired electrons.
Unpaired electrons.
Full shells.
Empty orbitals.

ATONTIC STRUCTURE

The concept of “diamagnetism” is related to the presence of:

Paired electrons.
Unpaired electrons.
Half-filled orbitals.
Empty orbitals.

ATONTIC STRUCTURE

What is the electron configuration for a neutral atom of Strontium (Sr, Z=38)?

[Kr]5s2.
[Kr]4d2.
[Kr]5p2.
1s22s22p63s23p63d104s24p65s2.

ATONTIC STRUCTURE

How many valence electrons does Strontium have?

2
8
10
38

ATONTIC STRUCTURE

Which of the following elements has its outermost electron in a 5s orbital?

Potassium.
Calcium.
Rubidium (Z=37).
Strontium.

ATONTIC STRUCTURE

What is the total number of nodes (radial + angular) for a 6s orbital?

1
2
5
6

ATONTIC STRUCTURE

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