Q:
What is the chemical formula for iron?
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Quick Answer
Iron has the chemical formula Fe from its Latin name, ferrum. Its atomic number is 26, and its molar mass is 55.845 grams per mole. It has a metallic gray color and is attracted to magnets. Iron is the second most-abundant metal on Earth.
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Iron is a reactive element and reacts with most acids. Chemical compounds of iron in oxidation state +2 are called ferrous compounds, and are reducing agents. Ferric compounds contain iron in oxidation state +3, and are oxidizing agents. Pure iron corrodes in damp air to form rust. However, carbon-containing alloys, such as stainless steel, do not rust in normal conditions.
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Q:
What is the melting point of iron?
A: Iron has a melting point of 1535.0 degrees Celsius or 2795.0 degrees Fahrenheit. It has a boiling point of 2750.0 degrees Celsius or 4982.0 degrees Fahrenh... Full Answer >Filed Under: -
Q:
How many protons does iron have?
A: Iron is element number 26 on the periodic table. This means an iron atom contains 26 protons in its nucleus. Chemists refer to the number of protons in an ... Full Answer >Filed Under: -
Q:
How are the atoms arranged in iron?
A: Iron exists in three configurations, or allotropes, at standard pressures. Each of these allotropes has a unique arrangement of atoms that influences the p... Full Answer >Filed Under: -
Q:
How many valence electrons does iron have?
A: Iron has two valence electrons. The atomic number or iron is 26, and it has 26 electrons and 26 protons. The electron configuration of iron is 1s22s22p63s2... Full Answer >Filed Under:
