객관식
Which statement correctly describes the relationship between element 17 (Cl) and element 9 (F) on 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
P
B
K
C
Pt
D
Po
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.
Identify the element potassium, which has the atomic number 19 and is an alkali metal.
Remember that the symbol for potassium is derived from its Latin name 'Kalium', which is why its symbol is 'K'.
Compare the given options: 'P' stands for phosphorus, 'Pt' stands for platinum, and 'Po' stands for polonium.
Conclude that the correct symbol for potassium is 'K', as it uniquely represents potassium on the periodic table.
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