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General Chemistry

Cracking the Code: The Intriguing Name behind Cr(BrO₃)₂

Dive into the realm of chemical nomenclature, and you&#39;ll find an ocean of systematic names, reflecting the identities and proportions of elements present in the compound. Let&rsquo;s unravel the name behind the formula: Cr(BrO₃)₂.

1. Starting with the Central Element: Cr 
Cr represents Chromium, a versatile metal known for its hardness and shiny appearance. It often plays the main role in forming compounds, setting the stage for other elements and ions to join the mix.

2. Unpacking the Ion: BrO₃ 
The BrO₃ component is a polyatomic ion. This means it&#39;s a group of atoms behaving as a single unit with a charge. In this case, it consists of bromine (Br) and oxygen (O), coming together to form the &#39;bromate&#39; ion.

3. Decoding the Subscript: ₂ 
The subscript &#39;2&#39; next to BrO₃ indicates that there are two bromate ions in the compound. This number is crucial because it dictates the stoichiometry or proportion of the elements present.

Bringing It All Together 
Given the information, we can decipher the name of Cr(BrO₃)₂. The compound consists of a chromium metal and two bromate ions. Following the naming conventions for ionic compounds (metal + non-metal), we get:

Chromium(II) Bromate

The (II) denotes the oxidation state or charge of Chromium, which is crucial to balance the charges between the metal and non-metal components.

Question

What is the name of Cr(BrO3)2?

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