객관식
Which element is found in both potassium chlorate (KClO_3) and zinc nitrate (Zn(NO_3)_2)?
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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
K
B
P
C
Po
D
Pt
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 is unique to potassium.
The other options represent different elements: 'P' is phosphorus, 'Po' is polonium, and 'Pt' is platinum.
Therefore, the correct symbol for potassium on the periodic table is 'K'.
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