Chemistry. March Review

Quantum Numbers

100

Quantum number that goes from 1 to 7 and indicates the energy level of an electron

a. Magnetic Number

b. Angular (Azimuthal) Number

c. Principal Number

d. Spin Number

c. Principal Number

200

Quantum number that obtain the values of -3, -2, -1, 0, +1, +2 and +3, and indicates the orientation in space of an orbital given the energy (n) and shape (l).

a. Magnetic Number

b. Angular Number

c. Principal Number

d. Spin Number

a. Magnetic Number

300

Relate the Quantum number to its correct abbreviation

Principal     |  s

Angular or Azimuthal |  m

Magnetic     |  n

Spin           |  l

Principal     |  n

Angular or Azhimutal   |  l

Magnetic     |  m

Spin           |  s

400

Complete each Orbital Level with the right amount of electrons that can hold

s =

p = 

d =

f =

s = 2

p = 6

d = 10

f = 14

500

Having in consideration the Aufbau Rule and the Pauli Exclusion Principle, level n3 can hold up to how many electrons?

a) 6

b) 18

c) 8

d) 2

b)18

Electron Config

100

Select the correct Electron configuration for Na¹¹

a) 1s²2s²2p⁶4s¹

b) 1s²2s²3p⁶4s¹

c) 1s²2s²3p⁶3s¹

d) 1s²2s²2p⁶3s¹

d) 1s²2s²2p⁶3s¹

200

1s²2s²2p⁶3s²3p⁵ is the right electron configuration for:

a) Sulfur

b) Chlorine

c) Fluorine

d) Argon

b) Chlorine

300

Relate the element with its correct block:

K    | p block

Fe   | s block

Eu   | d block

Ge   | f block

K    | s block

Fe   | d block

Eu   | f block

Ge   | p block

400

Which of the following noble gases can be used to abbreviate the electron configuration of Tin (Sn⁵⁰)

a) He

b) Kr

c) Ar

d) Rn

b) Kr

500

Which element belongs to this Kernel configuration? [Ne¹⁰] 3s²3p³

Phosphorus

Orbital Diagram

100

How does the orbital diagram give more accurate information than the electron configuration?

a) It depicts the n number better

b) It depicts the s and m numbers

c) It depicts the l number better

d) It depicts the same information

b) It depicts the s and m numbers

200

Which of the following agrees with the proper use of Hund's rule?

a) ↑ ↓  ↑ ↓ ↑   ↑  

b)  ↑    ↑ ↓ ↑ ↓ ↑  

b)  ↑ ↓   ↑ ↓ ↑ ↓   

a) ↑ ↓  ↑ ↓ ↑   ↑  

300

Write the right orbital diagram for Neon (Ne¹⁰)

   ↑ ↓   ↑ ↓    ↑ ↓↑ ↓ ↑ ↓ 

400

Write the correct short-hand orbital diagram for Ba⁵⁶

[Xe⁵⁴] ↑ ↓  

         6s²

500

Which is the best representation of the "d" orbital?

a) ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓

b) ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓

c) ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ 

d) ↑ ↓ ↑ ↓ ↑ ↓

c) ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓

Chemical Compounds

100

These are compounds that have a metal bonded with a non metal

a) Oxides

b) Hydroxides

c) Acids

d) Salts

d) Salts

200

These are compounds that have a metal or a non-metal bonded to oxygen

a) Oxides

b) Hydroxides

c) Acids

d) Salts

a) Oxides

300

Classify each substance correctly: 

NaOH: 

HCl: 

FeO: 

KCl: 

KPO₃ :

NaOH: Hydroxide

HCl: Acid

FeO: Oxide

KCl: Salt

KPO₃ : Oxysalt

400

From the following list, select the one compound that is an oxyacid: 

a) CO₂

b) HCO₃

c) KClO₃

d) Na₂O

b) HCO₃

500

Select the compounds that are not salts:

a) HCl

b) NaHCO₃

c) LiBr

d) Li₂O

e) Ca₃N₂

a) HCl

d) Li₂O

Oxidation states

100

Following the oxidation rules, this oxidation number is NOT possible for Cl

a) +3

b) -3

c) +1

d) +9

d) +9

200

Which of the following is the F atom with the lowest oxidated state?

a) LiFO₃

b) LiFO₂

c) LiFO

d) LiFO₄

c) LiFO

300

What is the oxidation number of Nitrogen in this molecule?

HNO₃

+5

400

According to the oxidation rules, which of the following oxidation states is the only one possible for Sulfur?

a) +7

b) +8

c) +4

d) -1

c) +4

500

Which is the oxidation state of the element Sulfur in this molecule?

NaHSO₄

+6