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Chemistry Quiz Challenge

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Chemistry Quiz Challenge

Test your knowledge of chemistry with our comprehensive 26-question quiz! Dive into topics ranging from atomic structure to molecular geometry and find out how well you understand the principles that govern chemical interactions.

Each question is designed to challenge your understanding and enhance your learning experience.

Multiple choice format
Covering various chemistry concepts
Perfect for students and enthusiasts alike

26 Questions6 MinutesCreated by ExaminingAtom101

The number of atomic orbitals in a d sub shell is

Electrons in an orbital with a spherical shape are in an

D orbital

F orbital

G orbital

P orbital

S orbital

A ground-state atom of manganese has ____ unpaired electrons and is ___.

0, diamagnetic

2, diamagnetic

3, paramagnetic

5, paramagnetic

7, paramagnetic

The general electron configuration for atoms of all elements in group 5A is

Ns^2np^6

Ns^2np^4

Ns^2np^3

Ns^2np^1

The general electron configuration for atoms of the halogen group is

Ns^2np^6

Ns^2np^5

Ns^2np^6(n-1)d^7

Ns^1. E. ns^2np^7

In what group of the periodic table is the element with the electron configuration [Ar]4s^23d^104p^3

What is the charge on the monatomic ion of nitrogen, the nitride ion?

-1

-2

-3

Which of these species make an isoelectronic pair: Cl-, O^2-, F, Ca^2+, Fe3+?

Ca^2+ and Fe^3+

O^2- and F

F and Cl^-

Cl^- and Ca^2+

None of these

The electron configuration of a cobalt (II) ion is

[Ar]3d^7

[Ar]4s^23d^5

[Ar]4s^23d^3

[Ar]3d^6

[Ar]4s^23d^9

Which of these atoms has the smallest atomic radius

Which of these ions has the largest ionic radius?

Cl^-

K^+

S^2-

Na^+

O^2-

Which of these elements has the highest first ionization energy?

Which of these elements has the electron affinity (largest positive value)?

Which of the following is most likely to exist as a molecular (covalent) compound?

NCl3

BaCl2

CaO

Fe2O3

CsF

A polar covalent bond would form between which one of the following pairs of atoms?

Cl-Cl

Si-Si

Ca-O

Zn-F

P-Cl

The total number of bonding electrons in a molecule of formaldehyde?

How many equivalent resonance structures does a nitrite ion, NO2- have?

Which molecule exceeds an octet o the central atom?

NH3

BH3

CO2

BrF3

SF2

Give the number of lone pairs about the central atom and the molecular geometry of SCl2

0 lone pairs, linear

1 lone pair, bent

2 lone pairs, bent

3 lone pairs, bent

3 lone pairs, linear

Use VSEPR theory to predict the molecular geometry of the PCl3 molecule:

Linear

Bent

Trigonal planar

Trigonal pyramidal

According to VSEPR theory, which of the following molecules should have a geometry that is trigonal bipyramidal?

SF4

XeF4

NF3

SF6

PF5

Predict the molecular geometry of the phosphate ion PO4^3-

Trigonal planar

Trigonal pyramidal

Tetrahedral

Trigonal bipyramidal

Octahedral

The bond angle in Cl2O is expected to be appoximately ___.

109.5

120

145

180

Predict the molecular geometry and polarity of the SO2 molecule:

Linear, polar

Bent, nonpolar

Linear, nonpolar

Bent, polar

None of these

Which one of the following molecules has a zero dipole moment?

HCl

CH2Cl2

SO3

SO2

NH3

What is the hybridization of the central atom in SCl2

Sp^2

Sp^3

Sp^3d

Sp^3d^2

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