Multiple Choice
Which of the following is the correct chemical symbol for the element with 32 protons?
32
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2. Atoms & Elements
Periodic Table: Element Symbols
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Which of the following is the atomic number of krypton (Kr)?
A
18
B
10
C
36
D
54
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 krypton (Kr) is a noble gas located in period 4 of the periodic table.
Use the periodic table to find krypton and identify its atomic number, which is the number listed above the element symbol.
Verify that the atomic number corresponds to the number of protons and determines the element's identity.
Confirm that the atomic number of krypton is 36, meaning it has 36 protons in its nucleus.
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