- Newlands' Law of Octaves arranged elements by increasing atomic weight. - Properties repeated every eighth element.
According to Newlands law of octaves, beryllium resembles which of the following elements?
Asked in WBPSC CS Prelims 2023 · Topic: Inorganic Chemistry (Atomic Structure and Periodicity)
More Chemistry questions
- Consider the following statements with reference to the Periodic Table of chemical elements: I. lionisation potential gradually decreases along a period. II. In a group of elements, electron affinity decreases as the atomic weight increases. III. In a given period, electronegativity decreases as the atomic number increases. Which of these statement(s) is/are correct?
- Approximately how many different chemical elements exist on the earch
- The first periodic table was given by
- Which of the following statements is not a correct statement about the trends when going from left to right across the periods of Periodic Table?
- In modern periodic table, Representative Elements or Main Group Elements belongs to which groups?
- Which of the following statement is incorrect? - Chlorine has less negative electron gain enthalpy than Fluorine. - Helium has the highest first ionization enthalpy in the periodic table. - In any period atomic radius of alkali metal is highest. - Mercury and Bromine are liquids at room temperature. - Question not attempted
- The ratio by mass of carbon and oxygen in carbon dioxide is -
- Which of the following would weigh highest? - Question not attempted