As examples, (1) write the electronic configurations for Lithium, Neon and Silicon. (2) Indicate which subshells hold the valence electrons for each of these three elements. (3) Contrast these three elements based on their valence electrons

Q: 13. State the periodic law, and provide at least two examples to illustrate its meaning.

A: Answer: To study the properties of the elements they are arranged in a table called as periodic…

Q: Arrange each of the following lists of elements in order ofincreasing ionization energy:a. Cl, Br, I…

A: Ionization energy is defined as the amount of energy required to remove an electron from the valence…

Q: Provide the following information: a. the atomic number and symbol of the lightest alkali metalb.…

A: a. the atomic number and symbol of the lightest alkali metal Symbol = Li Atomic number = 3 b. the…

Q: For main-group elements, are outer electron configurations similar or different within a group?…

A: For main-group elements, are outer electron configurations similar or different within a group and…

Q: Without using quantum numbers, describe the difference between the shells, subshells and orbital of…

A: Without using quantum numbers, describe the difference between the shells, subshell, and orbital of…

Q: 2. Identify any 5 elements in Group 2A and determine the electron configuration of 5 elements with…

A: For any element Atomic number = number of electrons = Number of protons  Mass number = Number of…

Q: Without referring to Table 6.2, predict the number of subshells in the fourth shell, that is, for n…

A: The n= 4 designates the principal quantum number. The n gives us the number of the shell in which…

Q: Atoms of which element, indicated by letter on the periodic table, is expected to have the smallest…

A: Atomic radius in periodic table: In period moving  left to right  atomic radius decreases,. And In…

Q: Arrange the elements according to their first ionization energies. K, Al, O, C.

A: First ionisation energy is the amount of energy required to remove first electron from the otermost…

Q: Summarize the trend in metallic character as a function of position in the periodic table. Is it the…

A: Metallic character can be defined as the property of the element to lose electrons. Variation along…

Q: Write the equation for the addition of an electron of a chlorine atom

A: The atomic no of chlorine is 17,so its electronic configuration is 1S22S22P63S23P5,so to get the…

Q: Which elements would be affected if the elements in periods 1, 2, 3, and 4 arranged based on their…

A:

Q: In an atom, are electrons considered as particles or waves? Justify your answer with theoretical…

A: First, the electrons present in an atom, revolve around the nucleus of that atom in specific…

Q: Consider the atom of phosphorous and its radius (size). List two elements: 1)One from the same group…

A: The atomic size of elements increases up to down in group whereas decreases in the period left to…

Q: Would you expect an anion to be larger or smaller than the corresponding atom, and why?

A: An anion is formed when a gaseous neutral atom attains electrons.

Q: Consider the following elements – O, F, Na, Mg and Al. -What is the first criterion you would use to…

A: The order of size of the atoms given to us can be determined as follows:

Q: Write the short-hand electron configuration, and give the 4 quantum numbers for the last electron…

A: Atomic number of antimony :- 51 Electronic configuration of antimony = [Kr] 4d105s25p3  Quantum…

Q: 7.8 What is a main group element? Give names and symbols of four main group elements.

A: In the modern periodic table, the elements have been arranged according to their atomic numbers. The…

Q: Using your knowledge of chemistry, comment on at least TWO (2) different elements in periodic table…

A: Considering element chlorine i.e Cl and sodium i.e Na.

Q: 3. Relative Atomic Sizes. Rank the following in increasing order of atomic size (atomic radius) by…

A: On moving from left to right in a period atomic size decreases. This is because of the increment in…

Q: What are some elements that have atoms smaller than magnesium? Give at least four examples.

A:

Q: Write the short-hand electron configuration, and give the 4 quantum numbers for the last electron…

A: we have to write the electron configuration from antimony in condensed notation and the quantum…

Q: Based on the ionization energies of the alkali metals (see Section3.7), which alkali metal would you…

A: The ionization energies decrease as we go down the group of alkali metals. So, li has the highest…

Q: If we were dealing with an atom that had a total of 20 electrons in its electron cloud, how many of…

A: Electronic configuration for 20 electrons  1s2 , 2s2 2p6 , 3s2 3p6 , 4s2

Q: Describe the main features of Mendeleev’s periodic table?

A: Mendeleev proposed a much more extensive tabulation of elements. The classification system of…

Q: Put elements of Magnesium, Strontium, and Chlorine in order from lowest ionization energy to…

A: Ionisation Energy : The Energy required to remove a one electron from Element in gaseous phase is…

Q: Galium (Ga) is an element in group III with atomic number 31. By referring to the Periodic Table,…

A: Ionisation energy is amount of energy required to remove electrons from outermost shell of an atom.

Q: а. 1s 2s 2p 3s Ъ. 1s 2s 2p 3s

A: A is correct representation. It represents Magnesium ( 1s² 2s² 2p⁶ 3s² )

Q: Suppose that the atomic radius of hydrogen is defined as the radius of the sphere within which there…

A: Atomic radius is the distance between the central of nucleus of an atom and the outermost electron…

Q: Give the full electron configuration for Gallium

A: The electronic configuration is written keeping in mind Pauli Exclusion Principle. The orbitals with…

Q: Compare the elements bromine and chlorine with respect tothe following properties: (a) electron…

A: a. The electronic configuration of Br is [Ne]3s23p5 an dof Cl is [Ar]3d104s24p5 The neon and the…

Q: Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram…

A: In periodic table elements are classified into four blocks based on the subshell in which…

Q: . If the principal quantum number n were limited to the rangefrom 1 to 6, how many elements would we…

A: The principal quantum number is n and it can have any integer value from 0 to ∞.

Q: What is one way to describe the modern understanding of the location of electrons in an atom

A: Please find your solution below : The location of electrons in an atom can be best defined by the…

Q: 20. On the basis of their positions in the periodic table, select the atom with the larger atomic…

A: In the periodic table, up to down atomic radius is increases and left to right decreases.

Q: evel Diagrams and Electroh Configu 1. Write the 15 sets of quantum numbers that describe the 15…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: Based on their positions in the periodic table, predict which has the smallest atomic radius: Mg,…

A: Based on their positions in the periodic table, the smallest atomic radius of Mg, Sr, Si, Cl, I have…

Q: describe how to write an electron configuration and why it is an important skill in the study of…

A: Electronic configuration is a very important skill in chemistry. It's like basic of chemistry. It…

Q: List the number of valence electrons for each family in the periodic table, and explain the…

A: Given groups are : a. alkali metals b. alkaline earth metals c. halogens d. oxygen family Number of…

Q: 1 '11Na, 12Mg, 13A1 Which of the two elements has the higher ionization energy?

A: Answer 1)  In Which of the following elements ( 11Na, 12Mg & 13Al ), the two which  has highest…

Q: What is the neutral atom that has its first two energy levels filled, has 4 electrons in its third…

A: Given: First two energy levels are completely filled. Atom is neutral. And the third energy level…

Q: write the electron configuration (complete and shorthand) and draw the orbital diagram of the…

A:

Q: Write the complete ground-state electron configuration of magnesium.

A: Electron configuration is the distribution of electrons in various orbitals according to increasing…

Q: Electron Configuration and Orbital Diagrams Write the complete electron configuration of the…

A: For an element we consider periodic table to have it electronic configuration. The elements which…

Q: Explain the periodic trend in atomic size from left to right across the periodic table. What is the…

A: On moving from left to right across a period, the atomic radius decreases, because nucleus of the…

Q: What element in period 3 has exactly one empty p-orbital? Write only the atomic symbol for that…

A: Element are species listed in periodic table in increasing order of their atomic number. Also, in…

Q: Arrange the following elements in order of decreasing metallic character Si, Sr, Al, Ga, p, N

A: The given elements are, Si, Sr, Al, Ga, P, N  According to periodic table, Sr is member of group 2…

Q: Write the complete orbital diagram for each of the following elements, using boxes to represent…

A: Orbital diagram can be defined as the pictorial description of electrons present in an atom. The…

Q: Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of…

A: Hi, Since you have posted multiple sub part questions as per our guidelines we will answer first…