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: Give a reason why hydrogen might be placed along with the group 1A elements of the periodic table.

A: Periodic table gives the information of chemical elements arranged according to atomic number,…

Q: Using only the periodic table, rank the elements in each set in order of decreasing size: (a) As,…

A: Size increases down the group and decreases along a period.

Q: A neutral atom of an element has two electrons with n=1,eight electrons with n=2,eight electrons…

A: Total electrons present in the neutral atom: n=1 has 2 electrons ⇒1s2n=2 has 8 electrons ⇒ 2s2,…

Q: The graph at the right shows the atomic radius for the19 elements in the periodic table.(a) Describe…

A: a.The edge of an atom's orbital determines its size. Orbital boundaries, on the other hand, are…

Q: Draw the energy-level diagram for the atom of each of the following elements: (a) boron (b)…

A: The energy-level diagram for the atom of each of the following elements has to be drawn.

Q: 9. Draw the energy-level diagram for the atom of each of the following elements: a (a) boron (b)…

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Q: " The electron configuration can also be represented by writing the symbol for the occupied subshell…

A: The electronic configuration can be written using three basic rule 1. Aufbau principle.2. The…

Q: Write orbital diagrams for the valence electrons and indicate the number of unpaired electrons for…

A: Since you have posted multiple sub-parts, the answer for first three parts are given below. Kindly…

Q: Write full electron configurations for each element.(a) N (b) Mg (c) Ar (d) Se

A: ANSWER

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

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Q: 4. Darium (Da) is the name given to the hypothetical element with an atomic number of 120. It should…

A: As per IUPAC system, element with atomic mass 120 is named as "Unbinilium". According to the…

Q: Which part of the periodic table (top/bottom, left/right) has the elementswith the largest atoms?

A: Given, Which part of the periodic table (top/bottom, left/right) has the elementswith the largest…

Q: A 0.7500-g sample of impure iron ore was treated and passed through a Jones reductor. The Fe (II)…

A: The molarity of a substance is given as the moles of solute upon volume of the solution in liters.…

Q: Which of the following metals would be expected to have the smallest atomic radius? A) Cesium (Cs)…

A: In periodic table, on moving left-right the element's electronegativity as well as atomic number…

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: The first member of a group in the Periodic Table of elements always shows some abnormal chemical…

A: Group is a column in a periodic table and in the first element in the column is the first member of…

Q: What is the origin of the periodicity of elements in the periodic table?

A: This answer explains the origin of the periodicity of elements in the periodic table. The periodic…

Q: * Incorrect. Are elements in which the p orbital is filled located on the left or the right side of…

A: The electron configuration of an element describes how electrons are distributed in its atomic…

Q: Which of the following would have similar properties to those of neon?  Answer choices in the…

A: The atom which is having same number of valence electron as that in Ne or is present in the same…

Q: Four main-group elements a, b, c and d are highlighted in the outline of the Periodic Table below: d…

A: Atomic radius: The distance between the nucleus and the outermost electron is known as the atomic…

Q: family of elements in the periodic table and how are they differentiated/ distinct from each other?

A: The terms element family and element group are used to describe sets of elements sharing common…

Q: Explain each of the following observations using principles of atomic structure.  a) Potassium has…

A: Answers are explained below.

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

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Q: The periodic table is the most important organizing principle in chemistry. There is a regular…

A: A question based on periodic table that is to be accomplished.

Q: sted in the outline of the Periodic Table below: mat can you say about these elements without…

A: Element X is a S group Element while elements  Y is an P group element

Q: 2) a) For each of the valence electrons of sulfur, write all the four quantum numbers (n, 1, mi and…

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Q: 6. There are three rules electrons normally follow when occupying orbitals in an atom. (i) Name each…

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Q: The orbital diagram that follows shows the valence electrons for a 4+ ion of an element. Part A What…

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Q: Given three elements W, X, and Y with their proton numbers of 11, 12, and 13 respectively. Identify…

A: Given : Number of protons in element W = 11 Number of protons in element X = 12 And number of…

Q: When the element forms an ion, what will the ion name be? Remember, some elements use the same name…

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Q: 3. Consider the various trends seen in the periodic table to answer the following questions. Circle…

A: Size decreases as we move along the period.Size increases as we move down the group.Ionization…

Q: (a) Like first member of other groups, boron also differs from rest of the members of its group.…

A: Boron belongs to group 13 in modern periodic table. Other element of this group are Al,In,Ga etc. In…

Q: In many Periodic Tables, a zig–zag line slanting down and to the right is shown in the p–block of…

A: 1.) On the basis of electronic configuration of elements, the periodic table is divided into four…

Q: Helium and lithium are two elements that differ only in one electron. Why do you think they exhibit…

A: Helium and lithium are two elements that differ only in one electron. Why they exhibit such…

Q: Which of the following describes the element Li. Choose all that apply. reacts vigorously with…

A: The given element is Li, which is Lithium Its atomic number is 3 and present in the alkali metal…

Q: The periodic table lists all known elements arranged by atomic number. Atomic number is the nuclear…

A: The value of n and l for the valence electrons for the marked elements in the order of left to right…

Q: There are three rules electrons normally follow when occupying orbitals in an atom. (i) Name each of…

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