ents A and B are in the same row of the periodic table. Element A is closer to the left side of the table than B. Element A likely has a smaller electron affinity. Agree O Disagree

Q: 2. In which element a. is the third energy level first completely filled with electrons. b. does the…

A: To recall electronic configuration element wise one have to recall position of a element in periodic…

Q: Use the periodic table to write electron configurations for each element.(a) Al (b) Be (c) In (d) Zr

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Q: electron configurations

A: Phosphorus has an atomic symbol of P and an atomic number of 15. Titanium has an atomic symbol of Ti…

Q: Thorium belongs to 5f4 electron, true or false

A: Thorium is an f-block element belonging to the actinoids group.

Q: 7.37 Which is the smallest atom in Group 7A?

A: Group 7A includes halogen atoms. The elements present in group 7A are: Flourine, FChlorine,…

Q: What element does the following electron configuration represent: [Ar] 4s? 3d8 Answer in element…

A: In this question, we will see the element symbol which is related to [Ar], 4s2, 3d8  You can see…

Q: How many total electrons and valence electrons are foundin an atom of each of the following…

A: As each atom has a fix number of electrons present in its shells that number is also known as the…

Q: alid to say that: A. Ar has a higher ionisation energy than Fr because it has more valence…

A: Using basic concept of ionisation energy using electronic configuration of elements.

Q: Which one of the following statements is INCORRECT? A. Ionization energy is always a positive value.…

A: Given: Ionization energy.  To find : incorrect statement about ionization energy.  Solution : As we…

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

A: ANSWER

Q: A space probe identifies a new element in a sample collected from an asteroid. Successive ionization…

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Q: The first four successive ionization energies of an element X in kJ mol' are 900, 1758 14905 and…

A: Solution Ionisation energy It is defined as the energy required to remove the electron from…

Q: Select the lesser of each of the following pairs of ionization energies (IE). A) The 1st IE of I…

A: To determine the lesser for each pair of ionization energies:  Ionization energy is the minimum…

Q: In recent years, the periodic table has been expanded through element 118, which has a filled 7p…

A: All elements are arranged in a well-organized manner in the periodic table. The periodic table…

Q: In what region of the periodic table will you find elements with relatively high IEs? With…

A: IE here refers to the ionization energy of an atom. It is the energy required by an isolated atom 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: Are nonmetals to the left or right of the metalloids?

A: The metals are left to the line (except of Hydrogen which is a non metal),non metal is right to the…

Q: Canvas Ā Question 50 The spheres below represent Li, Be, B, and F (not necessarily in that order).…

A: Atom is made up of protons , neutrons and electrons.Nucleus of an atom consist of protons and…

Q: Arrange each of the following lists of elements in order ofdecreasing electron affinity:a. Na, Li, K…

A: Solution-  Na,Li,K -Atomic no of Li → 3 , 1s2 2s1Atomic no of Na → 11 , 1s2 2s2 2p6 3s1Atomic no of…

Q: Use the BOTH of following sets of ions and elements to answer Parts A,B,C,D.                S2-,…

A: Atomic radius : It is the distance between the nucleus to the outermost shell of the atom.…

Q: Consider the element with the electron configuration [Kr]5s 4d. This element is Select one: a. an…

A: Given electronic configuration of element is [kr] 5s24d7   So, It has 36 +2+7   = 45 electrons

Q: Which is TRUE about the 3p electrons in sulfur? (A) They travel in a figure 8 orbit (B) They are…

A: Postulates of Bohr’s Model of an Atom: In an atom, negatively charged electrons revolve around the…

Q: k the elements by effective nuclear charge, Zelr, for a valence electron.

A: Effective nuclear charge(Zeff) is defined as net positive charge experienced by  outer most electron…

Q: Would you expect the ionization energies for two isotopes of the same element to be the same or…

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

Q: Rank the elements Mg, Na, Rb, and K in order of increasing first ionization energy.

A: Rules  1) on moving from left to right in a period the ionization energy increases. 2) on moving top…

Q: A certain atom has a [noble gas]5s24d105p4 electron configuration. Which element is it? A)Hg B)Sm…

A: As we know that the electrons are arranged according to their energy levels around the nucleus. And…

Q: Write the full electron configuration for element. K

A: The answer to the following question is given as -

Q: Write the full electron configuration for element. C

A: Electronic configuration of carbon has to be written.

Q: b. (i) Define Electron Affinity and explain why the electron affinity may either have positive or…

A: Electron affinity can have both positive or negative values.

Q: Given the following ionization energies (kJ/mol) of a certain element, predict which group does it…

A: Given: Successive Ionisation energies of a element:

Q: In a period, the element with the most exothermic electron affinity is the _____ and the one with…

A: We have to fill the element with the most exothermic electron affinity is the _____ and the one…

Q: Given the following successive ionization energies, predict which element they correspond to.…

A: Ionisation energy is the minimum amount of energy required to remove the most loosely bound electron…

Q: (2) The element with an electron configuration of 1s22s22p63s2 is in group ______and period ____.

A: Electron configuration of Magnesium:

Q: The electron configuration of Li* resembles that of which of the following elements Oa. Berrylium…

A: Given , Ion = Li+

Q: Which group of elements has the highest ionization energies? A. Alkaline earth metals B. Alkali…

A: The answer of the above question is given in step 2

Q: A certain element has an 5s24d105p4 electron configuration. Which element it is?

A: Electron configuration of an atom or a molecule gives the information about the distribution of…

Q: True or False: A larger numerical value for electron affinity means it is moredifficult for an…

A: Electron affinity is defined as the energy released when a neutral atom in gaseous state receives…

Q: What minimum frequency of light is required to ionize lithium?

A:

Q: an electron to a neutral gaseous atom and is related to an element's position on the periodic table.…

A:

Q: Part A Which of the following statements best explains this observation? O The group 4A elements…

A:

Q: Write the electron configurations for the following atoms. Do not use shorthand notation, and use…

A:

Q: Sort each of the following elements from smallest to largest first ionization energy, IE,: Si , S,…

A: Ionization energy decreases down a Group, and increases from left to right across a Period as we…

Q: For two hypothetical elements X and Y, the following ionization energies value are given: Ionization…

A: Ionisation energy is defined as the energy required to remove electron from the gaseous form of the…

Q: Order the elements below from smallest to largest 1st ionization energy. Mg, Cl, K, As _____ <…

A: Given elements: Mg, Cl, K, As

Q: An element in the third period of the periodic table looses 2 electrons to be isoelectronic (same…

A: If two species contain equal number of electrons ,then they are called isoelectronic species.

Q: What is meant by first ionization energy" Using calcium as an example, write a ba ionization energy.…

A: An atom is the smallest unit of matter that forms a chemical element and an atom takes part in a…

Q: A On page 3, calculate the first six energy levels (Eof the electron) for hydrogen, and fill in the…

A: Hello. Since multiple questions have been posted, only first question shall be solved in this case.…

Q: Arrange the following elements according to the given criteria  Li , Na, K according to increasing…

A:

Q: Rank the ions in each set in order of increasing size, and ex-plain your ranking:(a) Li⁺, K⁺,…

A: The size of any ions can be compared by seeing a negative charge, the higher the amount of negative…