What Element Has the Electron Configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁵

question 56

Multiple Choice

What element has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁵ ?

• A) At
• B) Ta
• C) I
• D) Rn
• E) none of these

Distinguish between various research methods used in developmental psychology.

Understand the basic concepts and terms used in developmental psychology theories.

Describe the stages of psychosocial development as outlined by Erikson.

Define key terms in developmental psychology such as infancy, childhood, and adolescence and understand their delineations.

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Definitions:

Preferred Stock

A class of ownership in a corporation that has a higher claim on its assets and earnings than common stock, often with fixed dividends.

Return on Investment

A measure of the profitability and efficiency of an investment, calculated by dividing the gain from the investment by its cost.

EDGAR

The Electronic Data Gathering, Analysis, and Retrieval system used by the United States Securities and Exchange Commission (SEC) for the submission of corporate filings.

FINRA

The Financial Industry Regulatory Authority, a non-governmental organization that regulates member brokerage firms and exchange markets in the United States.