In each of the following sets of elements, indicate which element shows the most active chemical behavior. a. B, Al, In b. Na, Al, S

Q: How many electrons are in the 4th energy level in selenium?

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Q: On what basis did Bohr propose his atomic model? Explain and elaborate.

A: Bohr atomic model is the structure of an atom which represents the nucleus surrounded by atomic…

Q: Which of the following statements are true according to the Bohr model of the atom? (a) Electrons…

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Q: Which statement about electrons is true?(a) Electrons attract one another.(b) Electrons are repelled…

A: Molecules are composed of tiny particles called atoms. Atoms are composed of sub-atomic particles…

Q: Select the pair of elements which have the same number of electrons?

A: An atom can be designated asMAZwhere     A→symbol of the atom    M→mass number= mumber of…

Q: On a remote island in the Arctic Ocean, a scientist claims to have found a new element (Excitinium)…

A: Given: On a remote island in the Arctic Ocean, a scientist claims to have found a new element…

Q: Based on its position in the periodic table, write the condensed electron configuration for bismuth,…

A: The condensed electron configuration for bismuth (Bi) , element 83  = 1s2 2s2 2p6 3s2 3p6 3d10 4s2…

Q: "F and Cl" What occurs to the electron? Where will the electron end up?

A: Given : We have to explain about F and Cl.

Q: Write the predicted electron configuration for each of the following elements: (a) argon…

A: Electronic configuration represents the arrangement of e- in the atomic orbitals. It is very helpful…

Q: An atom with which atomic diagram has chemical properties most similar to calcium? a) b) c)

A: Introduction The elements which have a similar number of outermost electrons (or we can also ay…

Q: Draw a picture of a natural carbon atom with mass number 12. Lebel all protons and neutrons. Draw…

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Q: 212. Explain the following diagram (a) and (b) and compare two models and associated heories…

A: These  are the models of JJ Thomson and Ernest Rutherford.

Q: Explain the properties of atoms ?

A: Atoms are considered as smallest particles of any matter present in the surrounding, including…

Q: which element has one electron in he 2s sublevel

A: The atomic orbitals explains the probability of finding an electron in a particular region of an…

Q: According to increasing energy, what is the next energy sublevel after each of the following…

A: (a) 4s  (b) 5p For equal values of (n+l) , the sub-orbit having more value of principal quantum…

Q: How many sublevels are in the n = 3 level? sublevels: How many orbitals are in the n = 3 level?…

A: Given, n=3 level andwe are asked to the number of sublevels, orbitals and maximum number of…

Q: How are the hydrogen atoms classified?

A: Hydrogen atoms attached to a particular carbon centre, Depending upon the number of Hydrogen atom…

Q: In atoms, protons and neutrons are found (a) only in the nucleus. (b) outside the nucleus. (c)…

A: An atom is composed of three main sub atomic particles; electrons, protons and neutrons. Out of…

Q: List the four different sublevels?

A: The sublevels in shells are denoted by the angular quantum number (l).

Q: 16. Where on the periodic table are metalloids found?

A: The periodic table may be divided into s, p, d and f blocks based on the nature of the orbital in…

Q: The number of protons and neutrons must be included as part of the nucleus.You simply need to draw…

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Q: When radiation kicks out an inner shell electron of an atom, what happens? a. an outer electron…

A: 1) When radiation kicks out an inner shell electron of an atom what happens? Ans : an outer electron…

Q: 1. Write down the following rules, in your own words: a. Aufbau principle b. Pauli Exclusion…

A: Since your question has multiple parts, we will answer the first question for you. If you want…

Q: ). In each of the following sets of elements, indicate which element shows the most active chemical…

A: Usually most active metals appear in the lower left region of the periodic table i.e Na K Li etc..…

Q: What element is located in group 1A but is not an alkali metal?

A: The elements that are present in group 1A are called as alkali metals because their hydroxides form…

Q: Use the periodic table to answer this question. How many of the electrons in the electron structure…

A: Given  Element = Uranium  Electrons in the electron structure of uranium occurs in p orbitals = To…

Q: A. Explain what experimental evidence supports the following statements: Atoms are destructible.…

A: 1. Atoms are destructible. Atoms are the fundamental building blocks of matter.According to Dalton…

Q: Using atomic helium as an example, show how the Pauli Exclusion Principle is adhered to.

A: According to Pauling exclusion principle , A atom has no two electrons those are having all four…

Q: The maximum number of electrons that can be found in a 3p sublevel is:   a. 2   b. 3   c. 6   d.…

A: Given,  The maximum number of electrons that can be found in a 3p sublevel is:

Q: Write complete electron configurations and abbreviated orbital diagrams for each of the elements…

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Q: What is the maximum number of electrons that a single orbital can hold ?

A: An orbital is a three dimensional description of the most likely location of an electron around an…

Q: . Write the complete orbital box diagram for each of the following. A) N B) Na C) S

A: The answer is given as follows

Q: There are four different abbreviated ways to write out the electron configuration using the symbolic…

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Q: All atoms tend to lose electrons. True or false?

A: Given statement: All atoms tend to lose electrons.

Q: 18. (a) What did Ernest Rutherford observe during his experiments? (b) What did Niels Bohr observe…

A: The observation of Rutherford and Bhor experiments are as follows:

Q: An unknown cation has a charge of 2+ and the electron configuration of 1s2 2s2 2p6 3s2 3p6. What is…

A: Two types of ions are present. Anion and Cation. An ion with a negative charge is called an anion,…

Q: Even though an atom of germanium has more than twice the nuclear charge of an atom of silicon , the…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: Where do you find elements that have energy levels that are all full of electrons? *       A:on the…

A: Given that : We have to identify where in the periodic table there are elements that have energy…

Q: Complete this sentence: Atoms emit visible and ultraviolet light Select one: a. as electrons move…

A: 1)  The sentence which explains the given statement             "Atoms emit visible and ultraviolet…

Q: 8 Ionic compounds have high melting points because:  A.    They are strong conductors of…

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Q: What best describes electrons

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Q: Bohr's atomic model is referred to as a "quantum" model because O Electrons travel in orbits,…

A: Given We know the about the bohr's atomic modal

Q: How are atoms of different elements distinguished from one other

A: The atoms of different elements distinguished from one other has to be given below.

Q: 86. The periods or series of elements in the periodic table are dependent on: Energy level of the…

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Q: Which element is your favorite and why?

A: Answer My favourite element in a Periodic Table is        Carbon

Q: List the general properties of metals, nonmetals, and metalloid elements found in the Periodic Table…

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