7.45 In general, the first ionization energy increases from left to right across a given period. Aluminum, however, has a lower first ionization energy than magnesium. Explain.

Q: Describe and apply the periodic trends for first ionization energy. Identify which of the following…

A: The elements given are Mg, Sr, In, Br and Pb.

Q: 7.3 A Referring only to a periodic table, arrange the elements Ge, Se, and F in order of increasing…

A: To find: The increasing order of atomic radius for the given elements

Q: 6.91 Explain why the ground-state electron configurations of Cr and Cu are different from what we…

A: Solution :    Electronic configuration in Chemistry shows the distribution of electrons in an atomic…

Q: The chart below shows the relationship between ionization energy and the increase in atomic number.…

A: Ionization energy:-Energy required to remove an electron from outermost shell of an element is…

Q: Which element has the electron configuration 1s*2s*2p*3s*3p°4s*3d"4p²?

A:

Q: 7. What is wrong with the statement "The atoms of element X are isoelectronic with the atoms of…

A: Matter is the substance or the material which has some mass and can occupy some space. It is made up…

Q: 7.54 Is it possible for the atoms of one element to be isoelectronic with the atoms of another…

A: Isoelectronic species are those that have same number of electrons.

Q: 9. Explain why the electron affinity for Mg > Ca (less positive)?

A:

Q: Ca or Ga? Which element is expected to have the larger 1st ionization energy and why?

A: We need to compare ionization energy for calcium and gallium.

Q: rank the following atoms in order of decreasing size and explain your ranking: K+, Cl, S, Cl-

A: Atomic radius increases on going down the group in periodic table and radius decreases on going left…

Q: 4. Place the atoms Cl, Si, and Ge in decreasing order of ionization energy. Explain your choice of…

A:

Q: Which of the followings is an isoelectronic series?

A: ions or atoms that are having same number of electrons present on it is termed as " isoelectronic…

Q: 7.9 A Arrange the following isoelectronic series in order of increasing radius: Se2−, Br−, and Rb+.

A: If ions emerging from different atoms seem to be isoelectronic species, they will all have the same…

Q: Order

A: We will arrange them in ionisation energy

Q: 7.89 Which of the following properties show a clear periodicvariation: (a) first ionization energy,…

A: Let us analyse all the properties one by one. Ionisation  energy is  the minimum quantity of energy…

Q: Rank the following elements by ionization energy. Rank from highest to lowest ionization energy.…

A: Ionization energy: Ionization energy is the minimum amount of energy required to remove the most…

Q: What element has the ground state electron configuration of [Kr] 5s^1 4d^5

A: The configuration at ground state is most stable arrangement of atoms. At this state, the electrons…

Q: 7.127 Explain why it is more difficult to ionize a fluorine atom than a boron atom.

A: Answer

Q: 6. What do we mean when we say that two ions or an atom and an ion are isoelectronic?

A: Isoelectronic species are referred as an elements or ions that have the same number of electrons…

Q: Which of the following statements is true?  A. The first ionization energy for potassium is greater…

A: Ionization energy (I.E.) is the minimum amount of energy needed to remove the most loosely bound…

Q: Why is the second ionization energy of Na greater than the second ionization energy of Mg, even…

A: Firstly, electronic configuration of  Na- 1s22s22p63s1 Mg- 1s22s22p63s2   Magnesium has a total of 2…

Q: 12. Which main group atom would be expected to have the lowest second ionization energy? Explair

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Which neutron atom or ion has the smallest radius K+ , Ca2+ , Se2-

A: Given ions,      Potassium(1+)  ion, Calcium(2+) ion and Selenium(2-) ion.

Q: 3. Write the electron configuration of the element with atom number x, where x is the last digit of…

A: Given that, the last digit of student ID is 10  Atomic number x = 10

Q: Rank the following in terms of decreasing first ionization energies?

A: Rank the following in terms of decreasing first ionization energies Ionization energy Ionization…

Q: The atomic number of an element is 73. Is this element diamagnetic or paramagnetic?

A: Whenever two electrons are paired together in an orbital, or their total spin is 0, they are…

Q: Which of the following order is correct for the first ionization energies of following elements?

A: Ionization energy is the amount of energy required to remove the most loosely bound electron from…

Q: Arrange the following atoms/ions in order of increasing (from smaller to larger) atomic radius: N³,…

A:

Q: 8. Fact: Phosphorus has a smaller electron affinity than Silicon. Explain why.

A: The phosphorus present in 15 group, in Nitrogen family. It has atomic Number of 15 and mass of…

Q: 3. An atom of a certain element has 15 electrons, answer the following questions: a. What is the…

A: As per the given information it has 15 electrons  A) Ground state electronic configuration of…

Q: 8.51 Arrange the following in order of increasing first ionization energy: Na, Cl, Al, S, and Cs.

A:

Q: Which of the following statements are TRUE? a) The third ionization energy (IE3) of magnesium is…

A: Atomic radius of an element represents the distance of the nucleus from the outermost shell. The…

Q: = 2 = 4 = 6 Rank the following elements according to their ionization energy. element ionization…

A:

Q: In general, ionization energies increase from left to right within a row of the periodic chart.…

A: Ionization energy increases from left to right within a period because the atomic size of the…

Q: Explain the periodic trends for ionization energy.

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: Is ionization energy a periodic property because ground-state electron configuration is a periodic…

A:

Q: The atom having the valence-shell configuration 6s 6p? would be in: Group VIA, Period 4 Group IVB,…

A:

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: Would you expect the ionization energy of Li+ to be lessthan, greater than, or the same as the…

A: Given :  Explain ionization energy of Li+ is < or > or = to Li.   Explanation: Ionization…

Q: Describe the Trends in Ionization Energy?

A: Ionization energy is the quantity of energy that an isolated, gaseous atom in the ground electronic…

Q: An atom with the element symbol X has 62 protons in its nucleus. For the 62nd electron, determine…

A: