a) What is the chemical name of this element? b) Write the electron configuration of X'. c) Write the noble gas configuration of 'X*. d) Find the number of electrons in 'X". e) How many Energy levels are present in this element?

Q: Determine the number of valence electrons in  element.  Ba

A: Ba is a symbol for Barium. Barium lies in Group II of the periodic table. And comes in category pf…

Q: How many electrons are in the outermost shell of a sulfur atom?

A:

Q: a) Describe an atom using the Bohr model and wave mechanics model. b) What are the differences…

A: ATOMIC MODEL THEORIES The following are the atomic model theory's postulates:Atoms are the building…

Q: Give the main features of Thomson’s Model for an atom.

A: Thomson's model also called as plum pudding model. J.J. Thomson discovered electron in 1904. In this…

Q: Describe Rutherford’s planetary model of the atom.

A: Rutherford model or Rutherford atomic model or nuclear atom, or the planetary model of atom gives…

Q: What are the four blocks of the periodic table?

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Explain how the electron density is distributed around the nucleus?

A: Bohr orbit is the circular path in which electron moves around the nucleus in an atom. This implies…

Q: Illustrate Bhor's Model of the atom

A: The Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the…

Q: How does the total number of electrons differ from thenumber of valence electrons in an atom?

A: In an atom, the nucleus of the atom contains the proton and the neutrons. The outermost region of…

Q: Chlorine, selenium and bromine are located near each other on the perodic table. Which of these…

A: The question is based on the periodic properties of elements. we are to identify the smallest atom…

Q: properties from left to right. However, the pattern of properties within a period repeats as you…

A: In this question, we have to explain what does periodic law state and mean.

Q: How are electrons arranged around an atom?

A: How the electrons arranged around an atom has to be explained.

Q: On a sheet of paper, draw a shell model of an uncharged nitrogen atom. (Hint: Nitrogen has seven…

A: The atomic number of nitrogen is 7. The electronic configuration of N is 1s2 2s2 2p3.

Q: How many electrons can be accommodated in the first, second, and third electron shells of an atom?

A: Electron shells According to Bohr's theory, electrons revolve around the nucleus through a fixed…

Q: Refer to the periodic table and state the number of valence electrons for any element in each of the…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: What is the electron configuration and Noble gas notation of Bismuth?

A: Atomic number of Bi is 83  So, Bi has total 83 electrons  Group number = 15  Period number = 6

Q: As you move away from the nucleolus of an atom, what happens to the number of electrons in the…

A: Atom consists of nucleus surrounded by electrons in its electronic orbits.

Q: 1. The number of valence electrons is indicated by what periodic table number? 2. Metals tend to 3.…

A: We need to find valence number using periodic table.

Q: Usefulness and limitation of periodic table?

A: Interpretation: Uses and limitations of periodic table are to be provided.

Q: Explain the layout of the modern periodic table, including rows, columns, groups, and blocks. Be…

A:

Q: Predict the charge of the ion formed by  element and write the electron configuration of the ion. Al

A: To determine: The electronic configuration of most stable ion of aluminum (Al)

Q: An element has 3 electrons in the valence shell that is designated as ‘M’. what is the name of the…

A: The element given is having 3 valence electrons in the shell designated as M.

Q: Use your periodic table to give an example of an element that is/has: a. A metal that is NOT a…

A: The periodic  table is first invented by mendeleev's scientists.  It is based on atomic mass of…

Q: chlorine ) Would you expect the ion to be larger or smaller in volume than the neutral atom? Why?

A: The atomic no. of Cl is 17. It's electronic configuration is: 1s22s22p63s23p5 It has 7 electrons in…

Q: Why does each element give off a specific color when heated? Use the Bohr model of the atom to…

A: Why does each element give off a specific color when heated? Use the Bohr model of the atom to…

Q: Complete the noble gas electron configuration for Ga.

A: The arrangement of the electrons in the different atomic orbital of an atom is known as the…

Q: Assign the following element to his group, Ge

A: The substance that is made up of only one kind of atom is known as the element. Elements cant be…

Q: Drag the appropriate items to their respective bins. Reset Help Attractive forces between atoms are…

A: in the given potential energy digrams of two atoms as a function of internuclear distance: A bin -…

Q: Predict the charge of the ion formed by  element and write the electron configuration of the ion. N

A: The elements existing in p-block tend to gain electrons and generate covalent bond. Such elements…

Q: What model of the atom views an electron as a cloud of negative charge shaving certain geometrical…

A: We need to determine the model which views the electron according to given description.

Q: By definition, atoms are electrically neutral.  Is it possible for atoms of two different elements…

A: Atom consist of protons, neutrons and electrons.Protons and neutrons are present in nucleus of an…

Q: I’m really confused on figuring out valence electrons.  How do I figure how many valence electrons…

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Q: To what part of the periodic table does the valence electron correspond?

A: Valence electrons are electrons present in outermost shell of any element. They are related to…

Q: How many valence electrons are there in an atom of boron?* Choose This is a required question How…

A: In this question, the number of valence electrons in an atom of boron and an atom of argon has to be…

Q: Define an atom – Label each of the parts of the atom on the diagram to the right.

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Write the complete electron configuration for the nickel atom. Using NOBLE GAS notation write the…

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: associated with the following: a. Bohr model of the the atom. b. Wave-mechanical atomic model.

A: Bohr Atomic model are wave mechanical models are given to define the structure of an atom

Q: For the aluminum in Question 15, what noble gas configuration will it be when it loses or gains the…

A:

Q: Refer to the portion of the periodic table below that shows the elements belonging to the same…

A: The electronic configuration of K which is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ And that of Cl which is 1s² 2s²…

Q: What are the two regions of an atom?

A: The two regions of an atom has to be given.

Q: What is the maximum number of electrons that can occupy then = 3 shell?

A: n = 3  How many electrons can accommodate ?

Q: What charge is likely for an ion formed from this element?

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Q: Why does ionization energy in crease across a period? a greater number of electrons? b. Greater…

A: The energy that is basically needed to displace an electron (e-) from an atom which is isolates and…

Q: Roughly sketch a periodic table shadowing the location of the three principle type of elements?

A: Periodic table is the arrangement of elements according to their atomic number.

Q: Based on the bohr model explain the location of the lithium element on the periodic table. Why is it…

A: Answer

Q: Carbon (C) reacts with several different nonmetallic elements. These non-metallic elements tend to…

A: