How Many Oxygen Atoms Are There in 5

question 21

Multiple Choice

How many oxygen atoms are there in 5.00 g of sodium dichromate,Na₂Cr₂O₇?

• A) 0.133 oxygen atoms
• B) 1.64 × 10²¹ oxygen atoms
• C) 1.15 × 10²² oxygen atoms
• D) 8.04 × 10²² oxygen atoms

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Epidermal Tissue

The outermost layer of cells covering the body of an organism, primarily involved in protection.

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The layer of skin beneath the epidermis that contains nerve endings, sweat glands, and blood vessels, responsible for the toughness and elasticity of the skin.