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What does roman numeral in parenthesis after the name of the element?

It is the oxidation state of the element, usually positive and used with metals. It can also be used without brackets and in superscript.


What does a roman numeral tell you about transition metals?

Roman numerals in transition metal names indicate the oxidation state of the metal ion. This is important because transition metals can exist in multiple oxidation states, so the Roman numeral helps to specify which one is present in the compound.


Which metals would not use a roman numeral as part of its name in a compound?

Roman numeral is used to mark valence. If an atom, or metal atom has only one valence, you can spare writing it


What is Roman Numeral DCXLIX in numbers?

There is technically no D it is an I and then a backwards C, but the numbers you have listed, coupled with the changed D equals 249 :-)


What is the largest roman numeral number you can make without using a bar?

The largest Roman numeral number that can be made without using a bar is 3,999, which is represented by the letters MMMCMXCIX.


When we are naming elements with a transition metal why do we need to write a Roman numeral in the middle?

When naming compounds that include transition metals, a Roman numeral is used to indicate the oxidation state or charge of the metal ion. This is necessary because transition metals can have multiple oxidation states, and the Roman numeral helps to specify which one is present in the compound. For example, in iron(III) chloride, the Roman numeral III indicates that iron has a +3 charge. This distinction is crucial for accurately conveying the compound's chemical composition and properties.


What is the Roman numeral for 101?

the answer to what is the roman numeral for 101 is CI


What is the Roman numeral for XXV?

XXV is the Roman Numeral for 25


Should a Roman numeral be used when naming h2o?

No, a Roman numeral should not be used when naming H2O. The chemical name for H2O is water, and it does not require a Roman numeral because it is a simple molecular compound. Roman numerals are typically used in naming ionic compounds to indicate the oxidation state of transition metals, which is not applicable in the case of water.


What is the Roman numeral for 324?

324 written in roman numeral is CCCXXIV


Is K a Roman numeral?

No, K is not a roman numeral.


What is the Roman Numeral For 0?

There is not a Roman Numeral for 0.