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Can atomic spectra be explained on the basis of quantum mechanics?
Yes, atomic spectra can be explained and understood through quantum mechanics. Quantum mechanics provides a framework to describe the discrete energy levels of electrons in atoms, leading to the observation of specific wavelengths in atomic spectra. The theory helps explain phenomena such as line spectra and transitions between energy levels within an atom.
Does the elements arrange in order of increasing atomic number which is the number of protons or neutrons in their nuclei?
Elements are arranged in order of increasing atomic number, which corresponds to the number of protons in their nuclei. This arrangement is the basis for the periodic table, where each element's position reflects its atomic number. Neutrons, while important for the stability of the nucleus, do not determine the order of elements in the periodic table. Therefore, the atomic number is the key organizing principle.
Who established atomic number as the basic for organizing the periodic table?
Henry Moseley established atomic number as basis of periodic table.The properties of elements are periodic function of their atomic number.
Who established atomic number as the basis for organizing the periodic table?
The concept of using atomic number as the basis for organizing the periodic table was established by Henry Moseley, an English physicist, in 1913. Moseley's work helped to refine the periodic table and provided a more accurate understanding of the arrangement of elements based on their atomic structure.
Why was basis of classification of element in the periodic table changed from atomic mass to atomic number?
Mendeleev's periodic table was based on the atomic masses of elements. However, this was not effective when isotopes were discovered. An isotope of an element is defined as the element having the same atomic number but varying mass numbers. So, mass numbers weren't constant and hence, a better characteristic was chosen -atomic number. Atomic number of any element was a characteristic of a particular element. Hence atomic numbers were taken as the basis of classification instead of atomic masses.
Can atomic spectra be explained on the basis of quantum mechanics?
Yes, atomic spectra can be explained and understood through quantum mechanics. Quantum mechanics provides a framework to describe the discrete energy levels of electrons in atoms, leading to the observation of specific wavelengths in atomic spectra. The theory helps explain phenomena such as line spectra and transitions between energy levels within an atom.
What were Niels Bohrs contribution to atomic structure?
He understood the importance of quantum theory (and used it to explain the electromagnetic radiation produced when elements are excited when heated to high tempeatures or by being placed in discharge tubes).
What is the word unscientific?
anything which can't be explained on the basis of facts and logics can be termed as unscientific
Does the elements arrange in order of increasing atomic number which is the number of protons or neutrons in their nuclei?
Elements are arranged in order of increasing atomic number, which corresponds to the number of protons in their nuclei. This arrangement is the basis for the periodic table, where each element's position reflects its atomic number. Neutrons, while important for the stability of the nucleus, do not determine the order of elements in the periodic table. Therefore, the atomic number is the key organizing principle.
Device used as the basis for time?
Atomic Clock -Eryl Paez
Markets explained on the basis of supply and demand?
Assume many buyers and many sellers of a standardized product
What is the basis in which the present day periodic table is organized?
The Periodic Table is organized by atomic number, metals, nonmetals, metalloids, periods, groups, and stability.
What phenomenon cannot be explained on the basis of the wave theory of light?
The phenomenon of photoelectric effect cannot be explained on the basis of the wave theory of light. The wave theory predicts that the energy of a light wave is proportional to its intensity, whereas the photoelectric effect depends on the frequency of light.
What characteristics Of a civilization usually provides a sound basis for advances In art and Sciences?
The stability in the empire provides a sound basis for arts and science.
Who established atomic number as the basic for organizing the periodic table?
Henry Moseley established atomic number as basis of periodic table.The properties of elements are periodic function of their atomic number.
What is the basic theme of organisation in the periodic table?
to oragnise elements on the basis of atomic number.
What is the reason one can determine the number of electrons from the atomic number?
It is because atomic no. is decided on the basis of no. of protons in the atom and no. of protons is equal to no. of electrons in an atom.
