Exam 7: Electron Configuration and the Periodic Table

The ionic radius is the distance between the nucleus and valence shell of an anion or cation. A cation is ________ than the parent atom it arises from, and an anion is ________ than the parent atom it arises from.

What is the electron configuration for Fr?

Which one of these ions has the largest radius?

Which of these elements exhibits chemical behavior similar to that of silver?

An oxide ion, O^2-, has

Which of these atoms has the greatest electron affinity?

Which of these choices is the general electron configuration for the outermost electrons of elements in the alkaline earth group?

Explain how the elements in Group 6A differ from one another.

Atomic size decreases across a period due to an increase in the effective nuclear charge, Z_eff.

The chief contribution of physicist Henry Moseley to atomic theory was

In neutral atoms, the 3d orbitals have higher energy than the 4s orbitals.

The first ionization energies of noble gases are ________.

The elements in a column of the periodic table are known as

Which member of the halogen family has the largest first ionization potential (energy)?

In Mendeleev's version of the periodic table, the elements were arranged in order of increasing atomic number.

Which of the following is a basic oxide?

The nineteenth century chemists arranged elements in the periodic table according to increasing

Which of the following elements has the smallest atomic size?

What elements and groups have properties that are most similar to those of chlorine?

Which of the elements listed below has the greatest atomic radius?