Atomic Structure
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
The nuclear atom
SubtopicThe nuclear atom under Atomic Structure for Grade 11 IB.
Preview questions (no answers)
- 1.
Which subatomic particle's discovery proved that atoms were not indivisible?
A.Proton
B.Neutron
C.Electron
D.Alpha particle
- 2.
What is the atomic number of an atom with 20 protons and 20 neutrons?
A.20
B.40
C.0
D.40.08
- 3.
Which isotope of Carbon is used as the standard for the unified atomic mass unit?
A.Carbon-11
B.Carbon-12
C.Carbon-13
D.Carbon-14
- 4.
Which two particles have almost the same mass?
A.Proton and Electron
B.Proton and Neutron
C.Neutron and Electron
D.Electron and Alpha particle
- 5.
Which of the following reflects the correct charge of the subatomic particles?
A.Proton (+1), Neutron (0), Electron (-1)
B.Proton (-1), Neutron (0), Electron (+1)
C.Proton (+1), Neutron (+1), Electron (-1)
D.Proton (0), Neutron (+1), Electron (-1)
- 6.
What is the difference between and ?
A.They have the same number of protons.
B.They have the same number of neutrons.
C.They have the same mass number.
D.They are isotopes of the same element.
- 7.
Which information is provided by the -axis of a mass spectrum?
A.Relative abundance
B.Mass-to-charge ratio ()
C.Kinetic energy of ions
D.Atomic number
- 8.
Which of the following has the same number of electrons and the same number of neutrons as ?
A.B.C.D. - 9.
A sample of pure contains two isotopes of ( and ) and only one isotope of . If the mass spectrum shows peaks at 110, 112, and 114, what is the mass of the isotope of ?
A.38
B.40
C.75
D.77
- 10.
The ratio for an ion is 24. If the magnetic field strength is kept constant and the accelerating voltage is doubled, how does the radius of the ion's path change?
A.Increases by a factor of 2
B.Increases by a factor of
C.Decreases by a factor of 2
D.Decreases by a factor of
Download the worksheet for Atomic Structure - The nuclear atom to practice offline. It includes additional chapter-level practice questions.
Electron configuration
SubtopicElectron configuration under Atomic Structure for Grade 11 IB.
Preview questions (no answers)
- 1.
Identify the element with the electron configuration .
A.Gallium
B.Germanium
C.Aluminum
D.Indium
- 2.
Which of these is the correct electron configuration for the Aluminum ion ()?
A.B.C.D. - 3.
How many electrons are in the subshell of a neutral Calcium atom ()?
A.1
B.2
C.0
D.10
- 4.
Which subshell has the lowest energy in any atom?
A.B.C.D. - 5.
What is the maximum number of electrons that can be held in the subshell ()?
A.2
B.6
C.10
D.14
- 6.
How many unpaired electrons are in the ground-state ion ()?
A.1
B.2
C.3
D.6
- 7.
In the fifth period of the periodic table, which subshell begins to fill after the subshell?
A.B.C.D. - 8.
In the ground state of a Copper atom (), how many electrons possess the magnetic quantum number ?
A.11
B.13
C.14
D.15
- 9.
Which of the following elements has the ground-state electron configuration ?
A.Tin
B.Antimony
C.Lead
D.Germanium
- 10.
Which species has the electron configuration ?
A.B.C.D.
Download the worksheet for Atomic Structure - Electron configuration to practice offline. It includes additional chapter-level practice questions.
Electrons in atoms (HL)
SubtopicElectrons in atoms (HL) under Atomic Structure for Grade 11 IB.
Preview questions (no answers)
- 1.
- Electrons in atoms (HL): practice question 1 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 2.
- Electrons in atoms (HL): practice question 2 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 3.
- Electrons in atoms (HL): practice question 3 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 4.
- Electrons in atoms (HL): practice question 4 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 5.
- Electrons in atoms (HL): practice question 5 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 6.
- Electrons in atoms (HL): practice question 6 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 7.
- Electrons in atoms (HL): practice question 7 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 8.
- Electrons in atoms (HL): practice question 8 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 9.
- Electrons in atoms (HL): practice question 9 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
- 10.
- Electrons in atoms (HL): practice question 10 for Atomic Structure?
A.Option A
B.Option B
C.Option C
D.Option D
Download the worksheet for Atomic Structure - Electrons in atoms (HL) to practice offline. It includes additional chapter-level practice questions.