Explain the periodic trend in atomic size from left to right across the periodic table. What is the trend, and why?

Q: Which periodic property is particularly important to nerve signal transmission? Why?

A: A human body, which has an intracellular and an extracellular portion of the cells, comprises of…

Q: Write the Full Electron Configuration for the Element : Zirconium (Zr)

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Q: Choose the element with the larger atoms from each pair.(a) Al or In (b) Si or N(c) P or Pb (d) C or…

A: Increasing order of size:   (a) Al < In   (b) N  <  Si   (c) P < Pb    (d) F  <  C…

Q: What element is illustrated through the following atomic orbital diagram. 1s 2s 2p

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Q: Draw the orbital-filling diagrams for the following elements: • O (Z = 8) • F (Z = 9) • K (Z=19)

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Q: What theory explains the underlying reasons for the periodic law?

A: Given information,       The periodic table is a result of the periodic law.

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: What element is represented by the orbital diagram shown below? [Ne] ↑↓ 3s 3p A) C B) N D) S E) CI

A: The filling of electrons in the electronic configuration of an element takes place according to…

Q: A student was asked to draw the ground state atomic orbital diagram for an element with 22…

A: Total 22 electrons are present i.e total 22 protons hence it is Titanium electronic configuration.…

Q: What is electron configuration? Describe the roles that the Pauli exclusion principle and Hund’s…

A: Electronic configuration: Electronic configuration is defined as the arrangement of electrons in an…

Q: What is the one element that is not listed on the periodic table? and why?

A: Unbinilium is hypothetical element with atomic no. 120 is not present in the table.

Q: Mention 3 general characteristics of the s-block elements that distinguishes them from the other…

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Q: How do permitted energy levels of the electron allow us to identify a specific element?

A: Every element has unique atomic no and extrinsic configuration .

Q: What are the observed periodic trends in metallic character?

A: The observed periodic trends in metallic character: The periodic trends in metallic character can be…

Q: How does the ionic radius of a nonmetal compare withits atomic radius? Explain the change in radius.

A: The atomic radius is the distance between the nucleus and the outermost shell of the element. On the…

Q: Use the orbital box notation to write correct electronic configuration for a titanium atom

A: Titanium is a chemical element with The symbol of Titanium = Ti Atomic number = 22  Atomic mass =…

Q: What is the orbital diagram of the atom Lead Pb 82

A: Orbital Diagram of Pb looks like

Q: Arrange these elements in order of increasing atomic radius: Ca, Rb, S, Si, Ge, F.

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Q: What do you think is the reason for a decreasing atomic radius within one period

A: Atomic radius :- The distance between the centre of the nucleus and outermost shell in which valance…

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

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Q: Which element is illustrated in the following atomic orbital diagram? 3s 性 杜社 2p 2s 1s Increasing…

A: From the given orbital digram we get that , The number of electrons present in this orbital digram…

Q: Describe the relationship between an element’s row number in the periodic table and the highest…

A: Periodic table is the display of chemical elements arranged in a tabular form according to…

Q: decreasing atomic size

A: Atomic size is defined as the distance between the center of nucleus of an atom and its outermost…

Q: Write the full orbital diagram for element. S

A:

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: Based on the periodic table, the elements are arranged in the order of their atomic numbers,…

A:

Q: Which of the following groups of elements is arranged correctly in order of decreasing atomic…

A: Atomic size of atom is defined as the distance between nucleus and the outermost electron. It…

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

A: The symbols given in the question stands for: Mg (Magnesium),Sr (Strontium), Si (Silicon), Cl…

Q: Based on their positions in the periodic table, predict which has the largest atomic radius: Li, Rb,…

A: Lithium (Li) and Rubidium (Rb) are the members of group 1, but Li belongs to second period and Rb…

Q: Write the full orbital diagram for element. Ca

A: Orbital Diagram: Orbital diagram represents the number of electrons in an atom. In the orbital…

Q: Who is credited with arranging the periodic table? How are elements arranged in this table?

A: The periodic table is a table which shows the elements arranged in the order of increasing number of…

Q: Arrange these elements in order of increasing metallic character: Fr, Sb, In, S, Ba, Se.

A: Metallic character refers to level of reactivity of the metal. The reactivity of the metal depends…

Q: What periodic trend does the atomic radius follow? () A. It stays the same across the table. O B. It…

A: We know that perioduc table contains 18 periods and 7 groups.  Along the period the atomic number…

Q: explain the significance of the rows and columns of periodic table.

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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: Describe the periodic properties of elements?

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Q: Write the full electron configuration for the element Se ?

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Q: What are the basic features of the periodic table?

A: A table in which the elements are arranged in the increasing order of their atomic number is termed…

Q: Explain periodic property?

A: Explain periodic property?

Q: Arrange the atoms in order of increasing atomic size. W, Ag, Fr, Te

A: ->On going left to right in periodic table atomic radie decreases . -> On going top to bottom…

Q: Suppose you were trying to find a substitute for K+ for some application. Where would you begin your…

A: Ca2+ ions are most likely to be like K+ in nerve signal transmission. The information is transmitted…

Q: Write the full orbital diagram for element. Mg

A: The atomic number of Magnesium = 12

Q: What are periodic properties?

A: Given: Periodic properties.

Q: How do the periodic trends in metallic character compare to those forionization energy?

A: solution- periodic trends in metallic character compare to those for ionization energy is , Metal…

Q: What is Periodic Law?

A: The periodic law states that “When elements are arranged in order of increasing atomic number, there…

Q: what is the atomic radius value for Cs ?

A: 1.The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or…

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 full orbital diagram for element. He

A: Orbital diagrams The diagram which shows the distribution of electrons in orbitals of an atom is…

Q: 8. Explain the layout of the modern periodic table, including rows, columns, groups, and blocks. Be…

A: in 1912, Mosely a young scientist measured the frequency of X rays emitted by a ,metal when…