Identify the Compound with (A) Covalent Bond(s)

question 20

Multiple Choice

Identify the compound with (a) covalent bond(s) .

• A) CH₄
• B) CaCl₂
• C) KBr
• D) MgCl₂
• E) NaCl

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Definitions:

Spine Fractures

Breaks in the bones of the spine, often caused by trauma, osteoporosis, or diseases, which can lead to pain and potentially serious complications.

Immunological Theory

A theory of aging that holds that the immune system is preset to decline by an internal biological clock.

Cellular Damage

Refers to injury to cells due to external factors like pathogens, toxins, or internal factors such as genetic mutations, leading to impaired cell function or death.

Aging

The process of becoming older, a physiological and biological progression that involves changes in physical, psychological, and social attributes over time.