객관식
Which element is commonly used in bright flashing advertising signs (often called “neon signs”)?
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5. Molecules and Compounds
Periodic Table: Elemental Forms (Simplified)
객관식
Which element is commonly used in skincare products and cosmetics as to provide a white pigment and help block UV light?
A
Neon
B
Sodium
C
Copper
D
Titanium
검증된 단계별 안내1
Identify the chemical formula given: \(TiO_2\), which represents titanium dioxide.
Recall that titanium dioxide is a compound commonly used in skincare products and cosmetics.
Understand the role of titanium dioxide: it acts as a white pigment and provides protection by blocking ultraviolet (UV) light.
Compare the options given (Neon, Sodium, Copper) with the compound \(TiO_2\) to determine which element corresponds to titanium.
Conclude that the element titanium is the one used in \(TiO_2\) for these purposes in skincare and cosmetics.
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