Multiple Choice
Which of the following is the correct chemical symbol for the element sulfur?
102
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2. Atoms & Elements
Periodic Table: Element Symbols
Multiple Choice
Which of the following is the atomic number of copper (Cu) on the periodic table?
A
26
B
29
C
12
D
47
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 periodic table is arranged in order of increasing atomic number, which uniquely identifies each element.
Locate copper (Cu) on the periodic table, which is a transition metal found in period 4 and group 11.
Identify the atomic number of copper by counting the number of protons or by referencing its position on the periodic table.
Confirm that the atomic number of copper (Cu) is 29, meaning it has 29 protons in its nucleus.
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