Which Element Is the First and Lightest Element in the Periodic

question 70

Multiple Choice

Which element is the first and lightest element in the periodic chart?

• A) hydrogen
• B) oxygen
• C) helium
• D) sodium

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Definitions:

Economic Changes

Alterations in the structure or performance of an economy, affecting factors like GDP, employment rates, and the availability of goods and services.

Addictions

Compulsive, repeated involvement with a substance or activity despite harmful consequences.

Family Violence

Acts of violence or abuse among members of a family, including physical, emotional, sexual, or psychological harm, often resulting in long-term psychological and health consequences.

Instrumental Functioning

Instrumental functioning refers to the skills and activities required for daily living, often used to assess individuals’ capacity for self-care and independence.