Welcome to the Group Trends Ionic Radii MDCAT MCQs with Answers. In this post, we have shared Group Trends Ionic Radii Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Chemistry offers a chance to enhance your knowledge regarding Group Trends Ionic Radii MCQs in this MDCAT Online Test.
As you move down a group in the periodic table, the ionic radius:
a) Increases
b) Decreases
c) Remains the same
d) First decreases, then increases
The ionic radius of elements in Group 1A generally:
a) Decreases as you move down the group
b) Increases as you move down the group
c) Remains constant down the group
d) Increases, then decreases
Which of the following elements has the largest ionic radius in Group 2A?
a) Beryllium (Be)
b) Magnesium (Mg)
c) Calcium (Ca)
d) Barium (Ba)
In Group 17 (Halogens), the ionic radius:
a) Increases down the group
b) Decreases down the group
c) Remains unchanged
d) Increases, then decreases
Which ion has the smallest radius in Group 16?
a) O²⁻
b) S²⁻
c) Se²⁻
d) Te²⁻
Moving down a group, the ionic radius increases because:
a) The effective nuclear charge increases
b) The number of electron shells increases
c) The nuclear charge decreases
d) The shielding effect decreases
In Group 1A, which element forms the ion with the smallest ionic radius?
a) Lithium (Li)
b) Sodium (Na)
c) Potassium (K)
d) Rubidium (Rb)
Which of the following ions is largest in Group 15?
a) N³⁻
b) P³⁻
c) As³⁻
d) Sb³⁻
As you move down Group 14, the ionic radius:
a) Decreases
b) Increases
c) First increases, then decreases
d) Remains the same
The ionic radius of the halide ions increases in the order:
a) F⁻ < Cl⁻ < Br⁻ < I⁻
b) I⁻ < Br⁻ < Cl⁻ < F⁻
c) F⁻ > Cl⁻ > Br⁻ > I⁻
d) Cl⁻ < F⁻ < I⁻ < Br⁻
Which element has the smallest ionic radius in Group 1A?
a) Lithium (Li)
b) Sodium (Na)
c) Potassium (K)
d) Cesium (Cs)
In Group 2A, the ionic radius is largest for:
a) Beryllium (Be)
b) Magnesium (Mg)
c) Calcium (Ca)
d) Barium (Ba)
The trend in ionic radii down Group 17 is due to:
a) Increasing nuclear charge
b) Increasing number of electron shells
c) Decreasing atomic mass
d) Decreasing number of electron shells
Which of the following ions is smallest in Group 2A?
a) Ca²⁺
b) Mg²⁺
c) Sr²⁺
d) Ba²⁺
In Group 16, the ionic radius:
a) Increases down the group
b) Decreases down the group
c) First increases, then decreases
d) Remains unchanged
Which ion has the largest ionic radius in Group 14?
a) C⁴⁻
b) Si⁴⁻
c) Ge⁴⁻
d) Sn⁴⁻
As you go down Group 15, the ionic radius:
a) Decreases
b) Increases
c) Remains constant
d) Increases, then decreases
Which ion is the smallest in Group 17?
a) F⁻
b) Cl⁻
c) Br⁻
d) I⁻
The trend in ionic radius down a group is due to:
a) Decreasing nuclear charge
b) Increasing atomic number
c) Decreasing electron affinity
d) Increasing electron shielding
In Group 2A, the ionic radius increases most significantly between which two elements?
a) Be and Mg
b) Mg and Ca
c) Ca and Sr
d) Sr and Ba
In Group 17, which ion has the smallest ionic radius?
a) F⁻
b) Cl⁻
c) Br⁻
d) I⁻
The ionic radius increases as you move down a group due to:
a) Increasing number of protons
b) Increasing number of electron shells
c) Decreasing ionization energy
d) Decreasing nuclear charge
In Group 1A, which element has the largest ionic radius?
a) Lithium (Li)
b) Sodium (Na)
c) Potassium (K)
d) Cesium (Cs)
The ionic radius of Group 16 elements increases in the order:
a) O²⁻ < S²⁻ < Se²⁻ < Te²⁻
b) Te²⁻ < Se²⁻ < S²⁻ < O²⁻
c) O²⁻ > S²⁻ > Se²⁻ > Te²⁻
d) S²⁻ < O²⁻ < Te²⁻ < Se²⁻
The ionic radius trend down a group is similar for which of the following pairs?
a) Group 1A and Group 2A
b) Group 1A and Group 17
c) Group 16 and Group 17
d) Group 14 and Group 15
In Group 1A, the ionic radius of alkali metal ions:
a) Decreases as you move down the group
b) Increases as you move down the group
c) Remains the same down the group
d) Increases, then decreases
The smallest ionic radius among the halides is found in:
a) F⁻
b) Cl⁻
c) Br⁻
d) I⁻
The ionic radius of elements in Group 2A generally:
a) Increases down the group
b) Decreases down the group
c) Remains constant
d) Increases, then decreases
Which ion has the smallest radius in Group 16?
a) O²⁻
b) S²⁻
c) Se²⁻
d) Te²⁻
The trend in ionic radii down Group 14 is due to:
a) Increasing number of electron shells
b) Increasing nuclear charge
c) Decreasing electron affinity
d) Increasing atomic mass
Which of the following ions is the smallest in Group 15?
a) N³⁻
b) P³⁻
c) As³⁻
d) Sb³⁻
In Group 17, the ionic radius of halide ions increases because:
a) The number of electron shells increases
b) The nuclear charge decreases
c) The number of valence electrons decreases
d) The shielding effect decreases
Which ion has the largest radius in Group 2A?
a) Be²⁺
b) Mg²⁺
c) Ca²⁺
d) Ba²⁺
The trend in ionic radii down Group 1A is most similar to which other group?
a) Group 2A
b) Group 13
c) Group 16
d) Group 18
Which of the following Group 15 ions has the smallest ionic radius?
a) N³⁻
b) P³⁻
c) As³⁻
d) Sb³⁻
The ionic radius increases as you move down Group 2A due to:
a) Increasing number of electron shells
b) Decreasing nuclear charge
c) Increasing electron affinity
d) Decreasing ionization energy
Which of the following elements has the largest ionic radius in Group 14?
a) Carbon (C)
b) Silicon (Si)
c) Germanium (Ge)
d) Tin (Sn)
In Group 1A, the largest ionic radius is found in:
a) Lithium (Li)
b) Sodium (Na)
c) Potassium (K)
d) Cesium (Cs)
Which of the following elements has the smallest ionic radius in Group 14?
a) Carbon (C)
b) Silicon (Si)
c) Germanium (Ge)
d) Tin (Sn)
In Group 17, which element forms the ion with the largest ionic radius?
a) Fluorine (F)
b) Chlorine (Cl)
c) Bromine (Br)
d) Iodine (I)
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