객관식
Which of the following is the correct chemical symbol for the element with atomic number 12 among the first 20 elements of the periodic table?
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2. Atoms & Elements
Periodic Table: Element Symbols
객관식
Which of the following element symbols correctly represents the element potassium on the periodic table?
A
Po
B
P
C
Pt
D
K
검증된 단계별 안내1
Recall that each element on the periodic table is represented by a unique one- or two-letter symbol derived from its English or Latin name.
Potassium is an element with the atomic number 19, and its symbol is derived from its Latin name 'Kalium'.
The correct symbol for potassium is 'K', which is a single-letter symbol and does not match any of the options Po, P, or Pt.
The symbol 'Po' represents Polonium, 'P' represents Phosphorus, and 'Pt' represents Platinum, so none of these correspond to potassium.
Therefore, the correct symbol for potassium is 'K', which is not listed among the options provided.
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