Electron Affinity

Interactive Video
•
Chemistry
•
11th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the first electron affinity measure?
Energy released during the formation of a mole of covalent bonds
Energy required to break a mole of ionic bonds
Energy released when an electron is added to a gaseous atom
Energy absorbed when an electron is removed from a gaseous atom
Tags
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are first electron affinity values typically negative?
Because energy is absorbed
Because energy is released
Due to electron repulsion
Due to electron attraction
Tags
NGSS.HS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the nature of the second electron affinity?
Always exothermic
Always endothermic
Depends on the element
Neutral
Tags
NGSS.HS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What factor does NOT affect electron affinity?
Color of the element
Nuclear charge
Electron shielding
Atomic radius
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the first electron affinity change down a group in the periodic table?
First increases then decreases
Remains constant
Decreases
Increases
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are second electron affinity values positive?
Due to increased nuclear attraction
Because energy is released
Due to extra repulsion when adding an electron to a negative ion
Because they are always exothermic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group shows a decrease in first electron affinity from top to bottom?
Group 16
Group 1
Group 17
All of the above
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