Which group 3 element is the most reactive? Express your answer as a chemical symbol. B. An oxide of a group 4 element is commonly used as a white pigment in paints, paper, rubber, and plastic and is accepted as the most important compound of the group 4 elements. Identify this compound. Express your answer as a chemical formula. C. What is the most common oxidation state of the group 5 elements? Enter the oxidation state. D.A group 6 element (MM) is in a compound with the formula MBr2MBr2. The same metal forms a red solid with the formula MO3MO3. What is the identity of MM? Express your answer as a chemical symbol.
The group 3 (or 3B)
The group 4 (or 4B) transition metals include titanium, zirconium, hafnium, and rutherfordium. These elements vary widely in abundance, from the relatively abundant titanium and zirconium to rutherfordium, which does not occur naturally.
The naturally occurring group 5 (or 5B) transition metals include vanadium, niobium, and tantalum. All three of these elements are normally found in nature as oxide ores in their highest oxidation state, +5.
The naturally occurring group 6 (or 6B) transition metals include chromium, molybdenum, and tungsten. All three of these elements were discovered within a 20-year period at the end of the 18th century.
A. Which group 3 element is the most reactive?
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