(a)
Interpretation:
The smallest second ionization energy between calcium and potassiumhasto beidentified.
Concept introduction:
Ionization energy:
In a gaseous state isolated neutral atom, the amount of energy required to eject an electron from outermost shell is known as ionization energy. Ionization energy increases from left to right across periods due to increase of effective nuclear charge. Ionization energy decreases down the group due to addition of electrons enters into new orbital which is far from nucleus.
(b)
Interpretation:
The greater third ionization energy between calcium and gallium has to be identified.
Concept introduction:
Ionization energy:
In a gaseous state isolated neutral atom, the amount of energy required to eject an electron from outermost shell is known as ionization energy. Ionization energy increases from left to right across periods due to increase of effective nuclear charge. Ionization energy decreases down the group due to addition of electrons enters into new orbital which is far from nucleus.
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General Chemistry: Atoms First
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- Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group 2A elements Ca, Be, and Mgarrow_forward(a) Use orbital diagrams to illustrate what happens when anoxygen atom gains two electrons. (b) Why does O3 - not exist?arrow_forward4. (a) Why does the atomic radius increase going down a group (column) of the periodic table?(b) Which of the following atoms has the largest atomic radius? Arrange the atoms in order of decreasing atomic radius: S, O, Se.arrow_forward
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