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Under the Check 21 Act

question 61

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Under the Check 21 Act:


Definitions:

Hydrogen Atoms

The simplest type of atom, consisting of a single electron orbiting a single proton.

Metallic Luster

The shiny, reflective quality of metals that gives them a bright, mirror-like appearance, also observed in certain minerals that have a metal-like appearance.

Opaque

Not allowing light to pass through; not transparent or translucent.

Chemical Components

The basic constituents or substances that make up a chemical compound or matter, characterized by specific physical and chemical properties.

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