ACS Chemistry Practice Exam 2025 – The All-in-One Guide to Exam Success!

Question: 1 / 400

Which element is represented by the symbol X?

Titanium

Chromium

Manganese

Non of the above

The element represented by the symbol X is Chromium, with the chemical symbol Cr. In the periodic table, Chromium is located in group 6 and is known for its significant role in the production of stainless steel and other alloys due to its corrosion-resistant properties.

Chromium is characterized by its multiple oxidation states, most commonly +3 and +6, which are important in various industrial processes. This versatility is reflected in its applications, including use as a pigment in paints and inks, as well as in chrome plating.

Understanding the periodic properties of transition metals, like their ability to form colorful compounds or their magnetic properties, can also aid in recognizing elements based on their symbols. In this case, identifying Chromium as the correct answer relies on its established position and symbol in the periodic table.

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