Describe the contribution of the following scientist in the development of the periodic table -John Newlands -Dmitri Mendeleyev -H.GJ. Moseley

Q: 1. Dmitri Mendeleev was regarded as the Father of the Modern Periodic Table; did you think it is…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Aluminum, sulfur, and chlorine are elements found on the periodic table. Tests involving these three…

A: Properties of the sulfur element at room temperature: Thi is nonmetallic and multivalent in…

Q: CI с. AICI3 1) HNO3, H2SO4 d. 2) Zn / HCI CI 1) СО, НСI е. 2) SO3, H2SO4

A: Acetanilide -HN- COCH3 group is ortho – para directing. Because of steric hinderance and the…

Q: Review items 1 to 6 and answer questions a and b: The activities were designed to produce an EX4…

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Q: Who designed the periodic table of the elements?

A: The detailed solution of your question given below-- Several scientists work in the periodic table…

Q: What is a partial charge in chemistry explained in simple terms? I looked it up and don't fully…

A: Partial charge is a non-integer charge value possessed by an atom. Partial charges are formed in…

Q: Which of the following is an implication of Thomson’s observation that the typeof metal used to make…

A: Cathode rays are defined as the beam of negatively charged particles that originate from negatively…

Q: Describe Rutherford’s nuclear model of the atom. What was revolutionaryabout his model?

A: According to the Rutherford atomic model: The positively charged particles and most of the mass of…

Q: Examine Figure 5.1 and determine the name of the element that Mendeleev predicted before its…

A: In Mendeleev's periodic table elements are arranged according to their increasing atomic…

Q: Which element is more likely to gainelectrons, potassium or chlorine?

A: The element, which is more likely to gain electrons has to be given.

Q: In general, atomic masses increase as you move across a row or down a column. This was one of the…

A: Given: Mendeleev periodic table To find: The two elements were placed in order that contradict…

Q: What was the brilliance of Dimitri Mendeleev when discovering periodic law? What was so important…

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Q: - - Identify the lowing families of elements. (a) boron group (c) nickel group group number…

A: To find group number we must know total valence electrons of atom.

Q: how to write ionic formulas with transition metals? Provide with example.

A: Transition metals are d-block elements placed between s-block and p-block elements in the periodic…

Q: A0.8965 g sample is dissolved in HNO; and filtered The alumimum is present in solution as AP. The…

A: Since you have asked a question with multiple sub-parts, we will solve first three subparts for you.…

Q: Please write the basic ideas of the following ionization models. a) Ion-Sphere model b) Stewart-Pyat…

A: BASIC IDEAS OF FOLLOWING MODELS :

Q: Discuss the development of atomic models of Thomson's atomic model and Rutherford's atomic model,…

A: Plum Pudding Atomic Theory Thomson proposed that the shape of an atom resembles that of a sphere…

Q: CsCs 302 2.10 942 66 Using the data, calculate Δ?fusΔSfus and Δ?vapΔSvap for Cs.Cs. Δ?vap=ΔSvap=…

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Q: atomic theorists

A: Niels Bohr proposed a theory for the hydrogen atom based on quantum theory that energy is…

Q: In the early 1900s, Ernest Rutherford produceda beam of very small positive particles and directed…

A: The extremely small, invisible, and indestructible fundamental particle of matter is known as an…

Q: I do not understand 1s22s22p63s23p64s1  Is there a sort of counting that has to be done on the…

A: The electronic configuration of any element is written based on the atomic number of the element…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: given  isotope        mass       relative abundance 92 mo            91.91          98% 97mo…

Q: lons and the Periodic Table

A: This is a multiparts question. According to guidelines in multiparts question we can solve only two…

Q: The atomic number of an element is IA Number of electrons in a neutral atom Number of protons in the…

A: 39,40,41 questions has one or many options are current.  A) If 1,2,3 are currect. B) If 1 and 2 only…

Q: [References] Use the References to access important values if needed for this question. Many…

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Q: The natural isotopes of sulfur and their molar masses and mass fractions are respectively 2210S:…

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Q: discovery of deuterium, and the mark of difference in the physical and chemical properties of…

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Q: Compare and contrast Thomson’s plum pudding atomic model withRutherford’s nuclear atomic model.

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Q: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7…

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Q: - Sulfur - Nitrogen - Fosfor - Arsenic - Cr - Cu - Uranium - Zinc - Hg by exclude from the elements…

A: The biological pathway in which elements are transformed and moved through various states by…

Q: (c) Using your knowledge of the HSAB theory, predict, with reasoning whether you would expect the…

A: According to HSAB principle : Hard acids tend to combine with hard bases and soft acids tend to…

Q: 1. There are three particles (A, B, C) in a linear arrangement:  A---B---C. Calculate the…

A: As there are multiple questions, we will solve the first one for you. For the rest to be solved,…

Q: Completely the followin

A: Modern periodic table is divided into 7 periods and 18 groups  Based on differenciating electron…

Q: Horizontal rows in the periodic table are referred to by what two terms?

A: Periodic table is a systematic arrangement of chemical elements on the basis of their electronic…

Q: CI F CI "CI (a) (b) (c) Br (d)

A: (a)  (3S, 4R, 6R, 7S)-4-chloro-6-fluoro-3, 7-                        dimethylnonane (b) ( 5S,…

Q: g Use the average atomic masses to calcalate He aumbarof omoles of He elemen't pesscnt in leveh…

A: Moles = weight / atomic weight   And you have done mistake in c part also . Please correct.

Q: A sample of iron sulfide is found with the formula Feo.87S. VWhat percentage of the iron ions are…

A: Co-ordination compounds are formed when the metal ion is bonded to the ligand which donates its…

Q: (a) The Group VII elements of the Periodic Table are called Halogens. ) List these elements in order…

A: Halogens:

Q: The diameter of a carbon atom is 1.54 A° . (a) Express thisdiameter in picometers. (b) How many…

A: (a)

Q: In the table below, there are descriptions of an experiment on samples of three different chemical…

A: The descriptions given are,

Q: Who was the first scientist to classify elements according to their properties?

A: There are over hundreds of elements known to us. To avoid confusion, scientists need to classify…

Q: have the lowest fest lonization energles of the groups listed. O Transition elements O Alline earth…

A: Ionization energy is minimum amount of energy required to remove the loosely held electrons from…

Q: A brief summary indicating Thomson major contribution to the atomic theory.

A: J.J. Thomson was the first to propose a model of the atom. He considered the atom as a sphere in…

Q: Provide the major contributions of Becquerel, Thomson, Millikan, Rutherford, and Mosely to the…

A: The scientific idea that matter is made up of tiny units called atoms is known as the "Atomic…

Q: What are the products of the following reactions?

A: ssSThe following are the product for the reactions- a. b.