Suppose that you face a problem similar to Mendelev: You must predict the properties of an element not yet discovered

Q: nucleus örbits nucleus Rutherford Model Bohr Model The diagram shows Rutherford's atomic model and…

A: In Rutherford's model , gold foil is bombard with alpha paricles . Thus before his atomic model…

Q: Explain the nuclear theory of the atom ?

A: Atom is the smallest, tiny indivisible particle of any matter. There are three fundamental subatomic…

Q: Is the statement inconsistent with Rutherford’s nuclear theory as it was originally stated? Why? The…

A: In his nuclear theory, Rutherford states that the nucleus of an atom contains most of the mass of…

Q: Sketch a modern atomic model of a typicalatom and identify where each type of subatomic…

A: Atomic model is given by many scientists as Bohr's model, Rutherford model etc. Modern atomic model…

Q: why the discovery of noble gases was late?

A: The discovery of noble gases was late.

Q: Answer the following questions about Rare Earth Elements:     a. List the Lanthanide and Actinide…

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Q: Which statement is true?(a) For a given element, the size of an isotope with more neutrons is larger…

A: For a given element, atoms having same atomic number with different mass number are known as…

Q: Is the statement consistent with Rutherford’s nuclear theory as it was originally stated? Why? The…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: process

A: Dear student I have given answer to your question in the image format.

Q: 3. Explain the statement , Matter and radiation have “dual nature.”

A: The matter is that substance which has its own mass and occupies some space.Light or radiation are…

Q: Why are the chemical properties of all isotopes of the same element identical?

A: Atoms of the same element, having same number of protons and electrons, but differing only in the…

Q: 4. If you were given an antique piece of jewelry and you were told that it was made of solid gold,…

A: There are several tests that are used to detect the purity of gold used by jewelry manufacturers…

Q: How and by whom was the electron discovered? What basic properties of the electron were reported…

A: Models for electrons- J.Thomson in 1897 discovered electron with the help of cathode ray tube…

Q: Mendeleyev discovered that when elements are arranged in order of increasing atomic weight, certain…

A: The elements are arranged in order by considering their atomic masses is done by Dmitri Mendeleev.…

Q: Identify the two elements that are NOT placed (left and right) according to Dimitri Mendeleev's…

A: Given: The objective is to identify the two elements that are NOT placed according to Dimitri…

Q: Mendeleev arranged the elements according to atomic weight and chemical reactivity. atomic number…

A: Mendleev arrange element according to increse order of atomic weight and chemical reactivity of…

Q: Explain the Properties of Protons ?

A: The properties of protons has to be explained.

Q: Provide a description of Rutherford’s gold foil experiment and the explanation for the results…

A: Rutherford's gold (Au) foil experiment:- Rutherford's experiment helps in understanding the atom in…

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

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Q: An element consists of 1.40% of an isotope with mass 203.973 amu, 24.10% of an isotope with mass…

A:

Q: Suppose that you face a problem similar to Mendeleev: You must predict the properties of an element…

A: The properties of an element are determined by the protons, neutrons and the electronic…

Q: explain argon electron affinity according to slaters rules

A: Every atom has certain number of electrons depending in the atomic number of the element. The number…

Q: Many of the CHEMICAL PROPERTIES of the elements vary periodically with the atomic numbers. The best…

A: Periodic table follows the periodic law,  thats chemical and physical properties of the elements are…

Q: atomic theorists

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

Q: What fundamental force is responsible for holding together the subatomic particles of an atomic…

A: There are various physical forces acting all around us. Four fundamental forces are listed below:…

Q: Describe the general structure of the nuclear model of the atom

A: Rutherford's atomic model is known as the general structure of the nuclear model of atom. This model…

Q: Activity Sheet I. Fill-in the Blanks: Write the word or group of words on the blank to complete each…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: Atoms with the same number of protons but with different electrical charges _____.

A: Electric Charge is two types.    Positive charge Cation and negative charge anions

Q: What is radioactivity? Indicate whether you agree or disagree with the following statement and…

A: Radioactivity is a physical phenomenon  where an element or isotopes emitting radiation…

Q: what are 2 incompatible elements? are calcium and chlorine incompatible?

A: Rubidium, Barium, Uranium, and Lanthanum are incompatible elements.

Q: Which of the following statements concerning the periodic table is incorrect?   a. All the elements…

A:

Q: Classify the following as either a fermion or a boson: (a) an electron. (b) a proton. (c) a neutron.…

A: Fermions are one of the two fundamental classes of particles. It is explained by Pauli's exclusion…

Q: Use the illustration to answer the question. What evidence supporting the nebular hypothesis is…

A: The evidence that supports the nebular hypothesis is

Q: What did the scientists who are credited with discovering the proton and neutron have in common?

A: Solution Ernest Rutherford determined that his scintillation detectors detected gas nuclei once a…

Q: The element 1s22s22p63s23p64s23d104p65s2 is    a. a halogen   b. an alkali metal   c. an…

A: Since the electronic configuration of the element given is   1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2

Q: Is the statement consistent with Rutherford’s nuclear theory as it was originally stated? Why? The…

A: Atom is considered as the smallest particle of matter. There are various models for describing the…

Q: Much of the evidence for the existence of atoms comes from Multiple Choice chemistry. mechanics.…

A: Atom is the smallest individual particle having its existence.

Q: Which pair of elements has the most similar properties? (a) Sr and Ba                (b) S and Ar(c)…

A: To determine the pair of elements that has the most similar property. (a) Sr and Ba(b) S and Ar(c) H…

Q: Describe the interrelationship between protons, neutrons and electron's and the ways in which…

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Q: what are the properties of cathode rays and anode rays?

A:

Q: In 1909, a team of British scientists led by Ernest Rutherford, carried out the Gold Foil Experiment…

A: Gold Foil Experiment helped to determine the arrangement of particles in the atom.

Q: what element might you expect to be most similar to Sc in its chemical behavior? Why?

A: The element given is Sc i.e Scandium.

Q: element? 24 25 Ⓒ26 There is not enough information to get the correct answer Submit Request Answer Q…

A: It is given that the element always looses 2 electrons to give +2 charge . Hence it is clear that…

Q: What is the average atomic weight for a hypothetical element "Q" which is composed of the following…

A: The following data are given for the hypothetical element Q: The atomic mass of 1st the isotope, M1…