Certain Period 2 Elements Exhibit Behaviors Similar to Period 3

question 77

Multiple Choice

Certain Period 2 elements exhibit behaviors similar to Period 3 elements immediately below and to the right. One of these interesting diagonal relationships occurs between lithium and magnesium. Which of the following is one of their similarities?

• A)They both form insoluble carbonate salts.
• B)Both elements are important in treating manic-depression.
• C)Their first ionization energies are almost equal.
• D)Their densities are very similar.
• E)They both form organic compounds with polar covalent bonds from the metal to hydrocarbon group.

---

Definitions:

Net Pay

The amount of an employee's earnings after all deductions, such as taxes and retirement contributions, have been withheld.

Social Security Tax

A mandatory contribution paid by employees and employers to the government, intended to fund the Social Security program that provides benefits for retirees, disabled individuals, and survivors.

FUTA Tax

Federal Unemployment Tax Act tax, which is a payroll tax paid by employers to fund the government's unemployment insurance program.

SUTA Tax

The State Unemployment Tax Act tax, a payroll tax that employers pay to fund the state's unemployment insurance.