Multiple Choice
Which two elements were first produced by Glenn Seaborg's group, and what are their chemical symbols?
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2. Atoms & Elements
Periodic Table: Element Symbols
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What is the atomic number of the element iron (Fe)?
A
26
B
24
C
56
D
29
Verified step by step guidance1
Understand that the atomic number of an element is the number of protons in the nucleus of an atom of that element.
Recall that the atomic number uniquely identifies an element on the periodic table.
Locate iron (Fe) on the periodic table to find its atomic number.
Note that the atomic number is usually written above the element symbol on the periodic table.
Identify the atomic number of iron (Fe) as 26, which means iron has 26 protons.
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