Ionic Radius

Quiz
•
Science
•
11th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which ion has the smaller radius?
P-3
Cl-1
S-2
all are anions in the same period so they are the same size
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the smaller atom: Mg or Mg+2?
Mg because it gains an energy level since it gains 2 electrons.
Mg due to extra electron repulsion created by gaining 2 electrons.
Mg+2 because of extra electron repulsion created by gaining 2 electrons.
Mg+2 because it loses an energy level since it loses 2 electrons.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When an atom gains an electron, the size of atom
will increase
will decrease
will not change
Answer explanation
When an atom gains an electron, the size of the atom will increase due to the increased electron-electron repulsion, causing the electron cloud to expand.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When an atom loses an electron the size of atom
will increase
will decrease
will not change
Answer explanation
When an atom loses an electron, the size of the atom will decrease. This is because the electron is negatively charged and its removal reduces the electron-electron repulsion, causing the remaining electrons to be pulled closer to the nucleus, resulting in a smaller size.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements are true?
For metallic elements, the ionic radius > the atomic radius
For metallic elements, the ionic radius < the atomic radius
For nonmetallic elements, the atomic radius > ionic radius
For nonmetallic elements, the atomic radius < ionic radius
Answer explanation
For metallic elements, the ionic radius < the atomic radius
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Anions have ionic radii that are larger than their atomic radii.
True
False
Answer explanation
Anions have gained electrons, leading to increased electron-electron repulsion and larger ionic radii compared to their atomic radii.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The different size between Cl and Cl- is because
They have different effective nuclear charge
They have different number of shells
Cl- has stronger electron repulsion
Cl has stronger electron repulsion
Answer explanation
Cl- has stronger electron repulsion
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