Search Header Logo
U4L3 DE GP - Fri Dec 12 - 7.4 Ionization Energy and Electron Aff

U4L3 DE GP - Fri Dec 12 - 7.4 Ionization Energy and Electron Aff

Assessment

Presentation

•

Chemistry

•

11th Grade

•

Hard

•
NGSS
HS-PS1-1, HS-PS1-2, HS-PS1-4

Standards-aligned

Created by

Mikhail Kuchuk

FREE Resource

10 Slides • 20 Questions

1

media

2

media

3

Multiple Choice

Ionization energy measures the energy change when an atom:

1

Gains an electron to form an anion

2

Loses an electron to form a cation

3

Shares electrons with another atom

4

Absorbs light and becomes excited

4

Multiple Choice

Electron affinity measures the energy change when an atom:

1

Gains an electron

2

Loses an electron

3

Shares electrons equally

4

Transfers a proton

5

Multiple Choice

Which statement correctly defines ionization energy?

1

The energy released when an atom accepts an electron

2

The energy needed to add a proton to the nucleus

3

The minimum energy needed to remove an electron from an atom

4

The energy change when two atoms form a bond

6

Multiple Choice

Which statement correctly defines electron affinity?

1

The energy required to remove an electron from an anion

2

The energy change when an electron is added to an atom

3

The attraction between two bonded atoms

4

The energy needed to break an ionic bond

7

media

8

Match

Match each reaction equation to the correct ionization energy it represents.

First ionization energy

Second ionization energy

Third ionization energy

Al → Al⁺ + e⁻

Al⁺ → Al²⁺ + e⁻

Al²⁺ → Al³⁺ + e⁻

9

Match

Match each reaction equation to the correct ionization energy it represents.

First ionization energy (I1)

Second ionization energy (I2)

Third ionization energy (I3)

Na → Na⁺ + e⁻

Na⁺ → Na²⁺ + e⁻

Na²⁺ → Na³⁺ + e⁻

10

media

11

Match

Match each reaction equation to the correct electron affinity it represents.

First electron affinity

Second electron affinity

Third electron affinity

N + e⁻ → N⁻

N⁻ + e⁻ → N²⁻

N²⁻ + e⁻ → N³⁻

12

Match

Match each reaction equation to the correct electron affinity it represents.

First electron affinity

Second electron affinity

Third electron affinity

Cl + e⁻ → Cl⁻

Cl⁻ + e⁻ → Cl²⁻

Cl²⁻ + e⁻ → Cl³⁻

13

media

14

Multiple Choice

The first ionization energy of magnesium is +738 kJ/mol. This positive value indicates that:

1

Energy must be put into the atom to remove an electron

2

Energy is given off when an electron is removed

3

Magnesium cannot form a cation

4

The process happens spontaneously

15

Multiple Choice

The first ionization energy of potassium is +419 kJ/mol. What does this tell us about removing an electron from potassium?

1

The process releases energy

2

Potassium resists losing electrons

3

Energy must be supplied to remove the electron

4

Potassium cannot form ions

16

Multiple Choice

Lithium has a first ionization energy of 520 kJ/mol. Fluorine has a first ionization energy of 1681 kJ/mol. Which element is more likely to form a cation?

1

Lithium, because less energy is required to remove an electron

2

Lithium, because more energy is required to remove an electron

3

Fluorine, because less energy is required to remove an electron

4

Fluorine, because more energy is required to remove an electron

17

Multiple Choice

Cesium has a first ionization energy of 376 kJ/mol. Helium has a first ionization energy of 2372 kJ/mol. Which element is more likely to form a cation?

1

Helium, because less energy is required to remove an electron

2

Helium, because more energy is required to remove an electron

3

Cesium, because less energy is required to remove an electron

4

Cesium, because more energy is required to remove an electron

18

media

19

Multiple Choice

The electron affinity of sulfur is −200 kJ/mol. This negative value indicates that:

1

Energy must be added for sulfur to gain an electron

2

Energy is released when sulfur gains an electron

3

Sulfur cannot form an anion

4

The sulfide ion is unstable

20

Multiple Choice

The electron affinity of iodine is ~295 kJ/mol. What does this tell us about adding an electron to iodine?

1

The process requires energy input

2

Iodine resists gaining electrons

3

Energy is released when the electron is added

4

The iodide ion is less stable than the iodine atom

21

Multiple Choice

Oxygen has an electron affinity of −141 kJ/mol. Beryllium has an electron affinity of +240 kJ/mol. Which element is more likely to form an anion?

1

Oxygen, because more energy is released when it gains an electron

2

Oxygen, because less energy is released when it gains an electron

3

Beryllium, because more energy is released when it gains an electron

4

Beryllium, because less energy is released when it gains an electron

22

Multiple Choice

Sulfur has an electron affinity of −200 kJ/mol. Sodium has an electron affinity of −53 kJ/mol. Which element is more likely to form an anion?

1

Sulfur, because more energy is released when it gains an electron

2

Sulfur, because less energy is released when it gains an electron

3

Sodium, because more energy is absorbed when it gains an electron

4

Sodium, because less energy is absorbed when it gains an electron

23

media

24

media

25

Multiple Choice

Based on periodic trends in ionization energy, which element would most easily lose an electron?

1

Rubidium (Group 1A)

2

Bromine (Group 7A)

3

Phosphorus (Group 5A)

4

Argon (Group 8A)

26

Multiple Choice

Based on periodic trends in ionization energy, which element would most easily lose an electron?

1

Nitrogen (Group 5A)

2

Oxygen (Group 6A)

3

Lithium (Group 1A)

4

Neon (Group 8A)

27

media

28

media

29

Multiple Choice

Based on periodic trends in electron affinity, which element would most readily gain an electron?

1

Lithium (Group 1A)

2

Fluorine (Group 7A)

3

Helium (Group 8A)

4

Barium (Group 2A)

30

Multiple Choice

Based on periodic trends in electron affinity, which element would most readily gain an electron?

1

Cesium (Group 1A)

2

Xenon (Group 8A)

3

Strontium (Group 2A)

4

Iodine (Group 7A)

pattern-tertiary
media

Show answer

Auto Play

Slide 1 / 30

SLIDE