English Noun periodic law ( chemistry ) The principle that chemical properties of the elements are periodic functions of their atomic numbers Related terms periodic table
The meaning of PERIODIC LAW is a law in chemistry: the elements when arranged in the order of their atomic numbers show a periodic variation of atomic structure and of most of their properties.
원소를 원자번호의 순서로 배열했을 때, 그 성질이 주기적으로 변화한다는 법칙. 이 법칙에 따라 작성된 것이 주기율표이다. 〔3조원소(三組元素)〕 1789년에 약 30종의 원소의 존재를 확인하고 비금속원소 · 토류원소 · 금속원소 등의 분류를 한 프랑스의 A. L. 라부아지에, 원소의 개념을 명확하게 밝힌 영국의 H. 데이비와 스웨덴의 J. J. 베르셀리우스, 원자량을 정밀하게 측정한...
1 Chapter 5 The Periodic Law 2 Section 5-1 History of the Periodic Table 3 Stanislao Cannizzaro 13 Jul 1826 – 10 May 1910 4 Cannizzaro Was the first scientist to accurately measure atomic...
자주 나오는 단어 및 구문 ; according · chlorine · halogens · non-metals · Prout's Law · whole numbers
Modern Periodic Law ; Dmitri Mendeleev, a Russian chemist, observed a pattern among the elements: as their atomic masses increased, their chemical and physical properties repeated with prior elements. He named this property Mendeleev’s Periodic Law. However, this law was not accurate for all elements, as only 63 were known at the time. In an effort to improve upon Mendeleev’s Periodic Law, Henry Moseley proposed the Modern Periodic Law, which states that · The atomic number is considered t...
When the chemical elements are thus arranged, there is a recurring pattern called the “periodic law” in their properties, in which elements in the same column (group) have similar...
State the Periodic Law on which the Modern Periodic Table is based - According to the modern periodic law, the properties of elements are a periodic function of their atomic numbers.(This law means...
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