Multiple Choice
Which of the following is the atomic number of strontium (Sr)?
83
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2. Atoms & Elements
Periodic Table: Element Symbols
Multiple Choice
Which of the following is the atomic number of silver (Ag) on the periodic table?
A
29
B
47
C
79
D
82
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, so each element has a unique atomic number.
Identify the element silver (Ag) on the periodic table by its symbol 'Ag'.
Look up the atomic number associated with silver (Ag) on the periodic table.
Confirm that the atomic number of silver (Ag) is 47, which means it has 47 protons.
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