객관식
Which element has 50 protons (atomic number )?
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4. Atoms and Elements
Periodic Table: Element Symbols
객관식
Which element has 79 protons (atomic number 79)?
A
Gold (Au)
B
Platinum (Pt)
C
Mercury (Hg)
D
Silver (Ag)
검증된 단계별 안내1
Understand that the atomic number of an element is equal to the number of protons in its nucleus.
Recall or look up the periodic table to find the element with atomic number 79.
Identify the element symbol and name associated with atomic number 79 on the periodic table.
Compare the given options (Gold (Au), Platinum (Pt), Mercury (Hg), Silver (Ag)) with the element found in the periodic table for atomic number 79.
Conclude that the element with 79 protons is Gold (Au).
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